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Fault analysis Part 4 series - Symmetrical Components

⚡ Welcome to Part 4 of our Fault Analysis series. So far we've handled the one fault type that keeps the system balanced (three-phase fault). But 95% of real-world faults are unsymmetrical — and to analyze those, we need a powerful mathematical tool: Symmetrical Components, based on Fortescue's Theorem.

The Problem With Unbalanced Systems

When a fault like line-to-ground occurs, the three phase currents and voltages are no longer equal in magnitude or symmetric in phase angle. Standard balanced three-phase analysis (using just one phase and assuming the others follow by symmetry) breaks down completely. We need a way to still use simple, decoupled math — and that's exactly what Fortescue's Theorem provides.

Fortescue's Theorem — The Core Idea

In 1918, Charles Fortescue proved that any unbalanced set of three phasors can be resolved into three balanced sets:

  • Positive sequence — three phasors, equal magnitude, 120° apart, same phase rotation (a-b-c) as the normal system
  • Negative sequence — three phasors, equal magnitude, 120° apart, but opposite phase rotation (a-c-b)
  • Zero sequence — three phasors, equal magnitude, all in phase with each other (0° apart)

Adding these three balanced sets back together, phase by phase, reconstructs the original unbalanced system exactly.

The Mathematical Operator: 'a'

Symmetrical component math relies on the operator a, which represents a 120° phase shift:

a = 1∠120° = −0.5 + j0.866

Key properties: a² = 1∠240°, and 1 + a + a² = 0 — this last identity is used constantly when simplifying symmetrical component equations.

The Transformation Equations

Phase quantities (a, b, c) relate to sequence quantities (0, 1, 2) as:

V_a = V0 + V1 + V2
V_b = V0 + a²V1 + aV2
V_c = V0 + aV1 + a²V2

And to go the other direction (phase → sequence):

V0 = (1/3)(V_a + V_b + V_c)
V1 = (1/3)(V_a + aV_b + a²V_c)
V2 = (1/3)(V_a + a²V_b + aV_c)

The same equations apply identically to currents (I_a, I_b, I_c and I0, I1, I2).

A Useful Shortcut: Zero Sequence Current

Since I0 = (1/3)(I_a + I_b + I_c), zero sequence current is directly related to the sum of the three phase currents — physically, this is the current flowing through a ground/neutral return path. This is exactly why zero sequence current only exists when a fault involves ground: in a healthy 3-wire system with no ground path, I_a + I_b + I_c = 0 always, so I0 = 0.

Why This Matters for Fault Analysis

Symmetrical components let us handle unsymmetrical faults using three separate, simple balanced networks (positive, negative, zero sequence) instead of one complicated unbalanced circuit. Each fault type from here on (L-G, L-L, L-L-G) is solved by:

  1. Building the positive, negative, and zero sequence networks separately
  2. Connecting them in a specific way depending on the fault type (series, parallel, or a mix)
  3. Solving the simple resulting circuit for sequence currents
  4. Converting back to actual phase currents using the transformation equations above

Quick Revision Points

  • Any unbalanced 3-phase system = sum of positive + negative + zero sequence components
  • Positive sequence: normal rotation, balanced. Negative: reverse rotation, balanced. Zero: all in phase
  • Operator a = 1∠120°, and 1 + a + a² = 0
  • I0 = (1/3)(I_a + I_b + I_c) — zero sequence exists only when there's a ground return path
  • Same transformation equations apply to voltages and currents

Practice MCQs

Q1. Who developed the symmetrical components theorem?
a) Thevenin
b) Fortescue
c) Norton
d) Kirchhoff

Q2. The value of 1 + a + a² is:
a) 1
b) 3
c) 0
d) a

Q3. Zero sequence current can flow only when:
a) The system is balanced
b) There is a ground/neutral return path
c) The fault is three-phase
d) The load is purely resistive

Q4. In the negative sequence set, the phase rotation is:
a) Same as positive sequence (a-b-c)
b) Reversed (a-c-b)
c) All phases in phase with each other
d) Undefined

(Answers: 1-b, 2-c, 3-b, 4-b)

Coming up in Part 5: Sequence Networks of generators, transformers, and transmission lines — how to actually draw and calculate Z1, Z2, and Z0 for real equipment before we plug them into fault formulas.

This is the most math-heavy post in the series — revisit the transformation equations a few times until they feel natural, since every remaining post builds directly on them.

Fault Analysis Part 3 - Symmetrical (Three-Phase) Fault Analysis

⚡ Welcome to Part 3 of our Fault Analysis series. Now that we've covered fault basics (Part 1) and the per-unit system (Part 2), we're ready for our first real fault calculation: the Symmetrical (Three-Phase) Fault — the simplest fault to analyze, and also the most severe.

What is a Symmetrical Fault?

A symmetrical (or three-phase) fault occurs when all three phases short together simultaneously — either directly, or through a common fault impedance, with or without a connection to ground. Because all three phases are affected equally, the system remains balanced even during the fault. This is exactly why it's the easiest fault type to analyze mathematically.

Why Only the Positive Sequence Network Matters

Since the system stays balanced during a three-phase fault, there's no unbalance to represent — which means:

  • Negative sequence current = 0 (no unbalance to create it)
  • Zero sequence current = 0 (no ground-return asymmetry)
  • Only the positive sequence network carries current

This is a major simplification — you don't need symmetrical components at all for this fault type. A simple single-phase equivalent circuit is enough.

The Fault Current Formula

For a three-phase fault at a bus, with the system represented in per-unit:

I_f (p.u.) = E / Z1

Where E is the pre-fault voltage (usually taken as 1.0 p.u.) and Z1 is the Thevenin positive-sequence impedance seen from the fault point. That's it — no Z2, no Z0, no sequence network interconnection required.

Step-by-Step Approach

  1. Convert all system impedances (generator, transformer, line) to a common base using the per-unit conversion formula from Part 2
  2. Draw the positive sequence network only — reduce it to a single Thevenin impedance (Z1) at the fault point
  3. Apply I_f = E / Z1 to get the fault current in per-unit
  4. Convert back to actual amperes using I_base for that voltage level

Worked Example

A generator with Z1 = 0.15 p.u. (on system base) is connected directly to a fault point through a transformer with Z1 = 0.10 p.u. Find the fault current in per-unit if pre-fault voltage is 1.0 p.u.

Total Z1 = 0.15 + 0.10 = 0.25 p.u.
I_f = E / Z1 = 1.0 / 0.25 = 4.0 p.u.

If the system base current at that voltage level is, say, 500 A, the actual fault current would be 4.0 × 500 A = 2000 A.

Why This Fault Still Matters Despite Being Rare

Even though three-phase faults occur only 2–5% of the time, they produce the highest fault current of any fault type. This makes them the standard for sizing circuit breakers — a breaker must be rated to safely interrupt the worst-case (three-phase) fault current, even though it will spend most of its working life handling more common L-G faults.

Quick Revision Points

  • Three-phase fault = balanced fault → only positive sequence network needed
  • I_f (p.u.) = E / Z1
  • Negative and zero sequence currents are zero for this fault type
  • Produces the maximum possible fault current — used for circuit breaker rating
  • Least frequent fault type in practice (~2-5%), but the most critical for equipment sizing

Practice MCQs

Q1. For a three-phase fault, which sequence network(s) are required?
a) Positive only
b) Positive and negative
c) Positive, negative, and zero
d) Zero only

Q2. The formula for three-phase fault current in per-unit is:
a) I_f = E × Z1
b) I_f = E / Z1
c) I_f = E / (Z1 + Z2 + Z0)
d) I_f = E / (Z1 + Z2)

Q3. Which fault type produces the highest fault current?
a) Line-to-ground
b) Line-to-line
c) Double line-to-ground
d) Three-phase

Q4. During a three-phase fault, the negative and zero sequence currents are:
a) Equal to positive sequence current
b) Zero
c) Maximum
d) Undefined

(Answers: 1-a, 2-b, 3-d, 4-b)

Coming up in Part 4: Symmetrical Components — the theory (Fortescue's theorem) that makes unsymmetrical fault analysis possible, and the foundation for every fault type we'll cover after this.

Practice this formula with a few different Z1 values before moving to Part 4 — it'll make the unsymmetrical fault math much easier to follow.

⚡Fault Analysis Part 2 - Per Unit System

⚡ Welcome to Part 2 of our Fault Analysis series. Before we can calculate any fault current, there's one foundational tool every power systems engineer relies on: the Per-Unit (p.u.) System. Skip this, and every fault calculation in the rest of the series will feel confusing — so let's build it properly.

Why Do We Need a Per-Unit System?

Power systems have multiple voltage levels connected through transformers — generation at 11 kV, transmission at 220 kV, distribution at 11 kV or 400V, and so on. Doing calculations directly in actual (ohmic) values across all these levels is messy and error-prone.

The per-unit system solves this by expressing all quantities as a fraction of a chosen base value, so:

  • Transformer turns ratio disappears from calculations — no need to refer impedances across transformers manually
  • Equipment of different sizes becomes easy to compare (a per-unit impedance of 0.1 means the same relative thing whether the machine is 10 MVA or 500 MVA)
  • Calculations become simpler and less error-prone across multi-voltage networks

The Basic Formula

Per-unit value of any quantity is defined as:

Per-Unit Value = Actual Value / Base Value

Choosing Base Quantities

We typically choose two independent base quantities, and the rest are derived from them:

Quantity Relationship
Base Power (S_base) Chosen directly — usually same across the whole system (e.g. 100 MVA)
Base Voltage (V_base) Chosen per voltage level (changes across transformers)
Base Current (I_base) S_base / (√3 × V_base) — for 3-phase systems
Base Impedance (Z_base) V_base² / S_base

Changing Base — The Conversion Formula

Equipment nameplates give impedance in per-unit on their own rated base — but your system study might use a different common base. Convert using:

Z_pu(new) = Z_pu(old) × (S_base,new / S_base,old) × (V_base,old / V_base,new)²

This single formula is one of the most frequently tested numericals across SSC JE, GATE, and ESE — memorize it, and practice a few variations.

Why It Simplifies Transformers Specifically

In actual units, a transformer's impedance looks completely different depending on whether you measure it from the primary or secondary side (turns ratio squared difference). In per-unit, if base voltages on each side are chosen in the same ratio as the transformer's turns ratio, the per-unit impedance is identical on both sides. This is exactly why per-unit is the default language of power system studies — transformers effectively "disappear" from the math.

Worked Example

A transformer is rated 20 MVA, 11 kV, with 8% impedance on its own rating. Find its per-unit impedance on a system base of 100 MVA, 11 kV.

Z_pu(new) = 0.08 × (100/20) × (11/11)²
Z_pu(new) = 0.08 × 5 × 1 = 0.4 p.u.

Quick Revision Points

  • Per-unit value = Actual value ÷ Base value
  • Choose S_base and V_base independently; I_base and Z_base are derived
  • Z_base = V_base² / S_base
  • Base conversion: multiply by (new S/old S) and (old V/new V)²
  • Per-unit impedance is same on both sides of a transformer if base voltage ratio = turns ratio

Practice MCQs

Q1. Base impedance is calculated as:
a) V_base / I_base
b) V_base² / S_base
c) S_base / V_base
d) I_base × V_base

Q2. A transformer's per-unit impedance stays the same on both sides when:
a) The turns ratio is 1:1
b) The base voltage ratio equals the transformer's turns ratio
c) The transformer is star-star connected
d) The transformer is unloaded

Q3. If S_base is doubled (with V_base unchanged), the new per-unit impedance:
a) Halves
b) Doubles
c) Stays the same
d) Becomes zero

Q4. Which quantity is typically chosen directly as a base rather than derived?
a) Base impedance
b) Base current
c) Base power
d) Base admittance

(Answers: 1-b, 2-b, 3-b, 4-c)

Coming up in Part 3: Symmetrical (Three-Phase) Fault Analysis — the most severe fault type, and the simplest to calculate since it only needs the positive sequence network.

Save this post for revision before your next mock test!

⚡ Fault Analysis Series — Part 1: Introduction to Faults in Power Systems

⚡ If you're prepping for SSC JE, APGENCO/APTRANSCO AEE, or GATE Electrical, Fault Analysis is one topic you cannot afford to skip — it shows up in almost every power systems paper, and the concepts here carry forward into Protection, Switchgear, and Circuit Breaker questions too.

This is Part 1 of our Fault Analysis series. We're building this step by step — starting with fundamentals here, then moving into symmetrical components, sequence networks, and each fault type in the posts that follow.

What is a Fault?

A fault is any abnormal condition in a power system that causes current to flow through an unintended path — usually due to insulation breakdown, equipment failure, or external causes like lightning or falling trees on transmission lines.

When a fault occurs:

  • Current in the faulted phase(s) rises sharply (often 10–20x normal current)
  • Voltage at the fault point drops significantly
  • If not cleared quickly, equipment can suffer thermal and mechanical damage

This is exactly why protection systems (relays + circuit breakers) exist — to detect and isolate faults within milliseconds.

Types of Faults

Faults are broadly divided into two categories:

1. Symmetrical Faults (Balanced)

  • Three-phase fault (L-L-L), with or without ground
  • All three phases affected equally — system remains balanced
  • Least common (roughly 2–5% of all faults)
  • Most severe — produces the highest fault current
  • Analyzed using only the positive sequence network

2. Unsymmetrical Faults (Unbalanced)

These make up the vast majority of real-world faults — roughly 95%:

Fault Type Approx. Frequency Description
Line-to-Ground (L-G) ~70–80% Single phase touches ground
Line-to-Line (L-L) ~10–15% Two phases short together, no ground
Double Line-to-Ground (L-L-G) ~10% Two phases short together AND to ground

Unsymmetrical faults break the system's natural balance, so we can't analyze them with simple per-phase methods — this is where symmetrical components (Part 4 of this series) become essential.

Common Causes of Faults

  • Lightning strikes on overhead lines
  • Insulation failure due to aging or moisture
  • Falling trees or branches on conductors
  • Birds/animals causing line-to-line or line-to-ground contact
  • Equipment failure (transformer winding faults, cable insulation breakdown)
  • Human error during switching operations

Why Fault Analysis Matters (Exam Angle)

Fault analysis isn't just theory — it directly decides:

  • Circuit breaker ratings (breakers must handle worst-case fault current)
  • Relay settings for protection coordination
  • Conductor and equipment sizing to withstand fault-level stresses
  • System stability — a fault that isn't cleared fast enough can cause cascading failures

This is why nearly every competitive exam (SSC JE, ESE, GATE) tests both the conceptual understanding and the numerical calculation of fault currents.

Quick Revision Points

  • Faults are either symmetrical (all 3 phases, rare but severe) or unsymmetrical (1–2 phases, common)
  • L-G fault is the most frequently occurring fault in real transmission/distribution systems
  • Symmetrical faults need only positive sequence impedance for analysis
  • Unsymmetrical faults need positive + negative (+ zero, if grounded) sequence networks
  • Fault analysis determines circuit breaker ratings and relay protection settings

Practice MCQs

Q1. Which type of fault occurs most frequently in a power system?
a) Three-phase fault
b) Line-to-line fault
c) Line-to-ground fault
d) Double line-to-ground fault

Q2. Which fault produces the maximum fault current?
a) Line-to-ground fault
b) Line-to-line fault
c) Three-phase fault
d) Double line-to-ground fault

Q3. Symmetrical fault analysis requires which sequence network(s)?
a) Positive sequence only
b) Positive and negative sequence
c) Positive, negative, and zero sequence
d) Zero sequence only

Q4. Zero-sequence currents can only flow if:
a) The fault involves ground
b) The system is balanced
c) The fault is three-phase
d) The transformer is delta-connected on both sides

(Answers: 1-c, 2-c, 3-a, 4-a)

Coming up in Part 2: The Per-Unit System — why we use it, how to convert between bases, and why it's the essential first step before any fault current calculation.

Share this with your prep group if you found it useful!

APGENCO & APTRANSCO AEE 2026 — Notification Summary + Prep Plan

⚡ APGENCO & APTRANSCO AEE 2026 — Notification Summary + Prep Plan
👋 Hey everyone — big recruitment news for AP power sector aspirants. APGENCO and APTRANSCO have both released their Assistant Executive Engineer (AEE) 2026 notifications, and since they share a common exam, this is one of the biggest combined opportunities we've seen in a while. Here's the full breakdown plus how to actually use the next month to prepare.
⏰ Heads up: The application window closed on 20 July 2026. If you already applied, this post is for you — focus on the CBT prep section below. If you missed it, keep an eye on this blog for the next AP Vidyut recruitment cycle.

🔥 CRACK - SSC JE ELECTRICAL EXAM 🏆

I built a practice app for SSC JE Electrical — here's why, and what's in it

If you've been prepping for SSC JE Electrical for a while, you've probably run into the same problem I did. Most of the "practice apps" floating around are just old PDFs dumped into a quiz format, or generic templates that could be for any exam — same recycled questions, no real structure, nothing tailored to how this exam actually works.

🔌DC Machines Quiz🔌

📘 Summary – DC Machines MCQs (Q1–100)

This complete set of 100 MCQs covers every major concept of DC machines, ensuring thorough preparation for PSU and competitive exams.

  • Electromechanical Energy Conversion – torque, co‑energy, stored energy, and electromagnetic force principles.
  • Losses – copper, iron, stray, mechanical, windage, and their dependence on speed, load, and frequency.
  • Constructional Features – yoke, armature, commutator, brushes, laminations, slot wedges, pole shoes, and ventilation ducts.
  • Armature Windings – lap, wave, simplex, duplex, winding pitches, equalizer rings, commutator segments, and coil spans.
  • Generator Characteristics – shunt, series, compound types, OCC curves, residual magnetism, voltage build‑up, and regulation.
  • Parallel Operation – equalizer bars, load sharing, compounding methods, and stability conditions.
  • DC Motors – back emf, torque production, current relations, speed‑torque characteristics, and energy conversion principles.
  • Applications – welding generators, exciters, boosters, traction loads, and industrial uses.

✅ By practicing all 100 questions with explanations, you’ll master the fundamentals of DC machines and be well prepared for SSC JE, GENCO, TRANSCO, NTPC, BHEL, and other PSU exams.

🔌⚡ DC Machines Quiz – Part 1 (Q1–10) ⚡🔌
👋 This is Part 1 of the DC Machines quiz. It covers electromechanical energy conversion, torque, losses, and basic construction concepts. Each question includes a detailed explanation.

⚡🔌Transformers Quiz 🔌⚡

This quiz series is built around the most important transformer concepts that regularly appear in SSC JE, GENCO, TRANSCO, NTPC, BHEL, and other PSU exams. Here’s what you’ll practice:
  • Voltage & Current Ratios – step‑up/step‑down relations, ampere‑turn balance.
  • Magnetic Flux Behavior – why flux stays nearly constant, how V/f ratio affects it.
  • Core Losses – hysteresis and eddy current losses, their dependence on frequency.
  • Frequency Effects – what happens when voltage or frequency changes.
  • Open‑Circuit & Short‑Circuit Tests – purpose and what they measure.
  • Equivalent Circuit Representation – modeling core losses and leakage reactance.
  • Phasor Diagrams – understanding current components and their phase relations.
  • Voltage Regulation – conditions for zero or negative regulation at different power factors.

⚡ Transformer Quiz (Q1–12) ⚡
👋 This is Part 1 of the transformer quiz. It covers voltage/current relations, flux, losses, and frequency effects. Practice these 12 questions before moving to Part 2!

🎯 CIL MT Exam Quiz — FREE Practice App

CIL MT Electrical Quiz - Practice Before the Exam

Hi friends, a lot of you have been asking for practice material for the CIL Management Trainee exam, so here's something that should actually help. Below is a free quiz covering the Electrical Engineering syllabus - use it to test where you stand before the real exam.

If you don't know much about CIL MT recruitment yet - Coal India Limited hires Management Trainees every year across engineering branches including Electrical, and the written exam is the first big hurdle. It's not just core electrical subjects either, they mix in aptitude, reasoning and English too, so don't only stick to circuit theory and ignore the rest.

(Always check Coal India's official site for the latest notification, dates and exact pattern - syllabus and cutoffs keep changing year to year, so don't rely only on this page for that.)

What's in the quiz

Machines, Power Systems, Circuit Theory, Control Systems, plus Quant, Reasoning, English and some CIL-specific GK. There's a timer built in and it tells you instantly whether you got it right, so it's actually decent for building exam speed and not just testing knowledge.

🎯 CIL MT Exam Quiz — 718 Questions FREE Practice App

🔥 Start Practice Now 🏆

Free, no login needed, works fine on mobile

Try it topic-wise first if you're weak somewhere, then switch to the mixed/timed mode once you're comfortable. Retake it a few times over the coming weeks - most people notice a real jump in speed after the third or fourth attempt.

One thing to be clear about - this quiz isn't put out by Coal India, it's just something built for practice by fellow aspirants/bloggers. For official notifications and syllabus always go to Coal India's site directly.

If you get stuck on any topic or want specific previous papers, drop a comment below and I'll try to put something together.

, , , , , , , , , , ,

⚡Power Systems Quick Quiz ⚡

⚡ TOPIC ⚡
Faults, Fuses & Circuit Breakers
👋 Hey everyone! Putting together a fresh batch of power systems questions since a lot of you keep asking for more practice on faults and circuit breakers — this comes up in almost every GENCO/TRANSCO and JE paper, so it's worth getting really solid on it. Try answering in your head first, then tap the green button to see if you got it and why. 🙂

, , ,

Introduction to Induction Motor


Induction Motor

In DC motor we need to provide electric supply for stator and field winding but in induction motor it works on single supply to stator with its secondary short circuited i.e. principle is similar to the transformer i.e. electromagnetic mutual induction principle

Induction motor also called a synchronous motor because it always runs at a speed less than synchronous speed (rmf speed in stator)
Two types depending upon type of input supply 1 phase, 3 phase or divided upon type of rotor squirrel cage induction motor

Squirrel cage Induction motor

When supply is given to Induction motor Alternating flux will be produced called (rmf field) this alternating flux will rotate at synchronous speed now there is a relative speed between stator mmf (rmf ) & rotor conductors as per mutual induction principle Induced emf is generated in short circuited rotor conductors  so, rotor current in rotor will also produce alternating flux

This rotor flux lags behind the stator flux according to lenz law the direction of induced emf is in such a way that it opposes the cause  of its production here that cause of production of rotor current is relative speed between the rotor and stator flux so, the rotor try to catch up the stator emf & rotor rotates in same direction as that of stator flux to minimize the relative speed rotor& stator flux it never catches the synchronous speed


BARC OCES-2016 and DGFS-2016 Programs

Government of India DEPARTMENT OF ATOMIC ENERGY (DAE) Bhabha Atomic Research Centre (BARC) Training Schools  Invites Engineering Graduates and Science Postgraduates
to apply for recruitment as Scientific Officers (Group-A post of Government of India) through its academic programs OCES-2016 and DGFS-2016




SELECTON PROCEDURE:

Selection to OCES/DGFS – 2016 is a two-step process: Screening to short-list
candidates followed by Selection Interviews of the short-listed candidates
Screening for Selection Interviews is based on two alternative methods:
(a) On the basis of Online Test
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ELIGIBILITY CRITERIA:
Qualifying Degrees and Other Academic Requirements for OCES/DGFS-
2016
A minimum of 60% marks means the marks as per the ordinances
of the respective university.

For detailed branch wise essentials  click  on the advertisement  link given  below
Important dates:







RRB Recruitment 2016-18252 Goods Guard, ASM, CA, TA & Other Posts

Government of India, Ministry of Railways, Railway Recruitment Board (RRB) invites application to 18252 for various vacancies in Non Technical Popular Categories (Graduate)  - Commercial apprentice(CA) , Traffic apprentice (TA), Enquiry cum reservation clerk (ECRC), Goods Guard, Senior Clerk cum Typist(JAA), Assistant Station Master(ASM), Traffic Assistant and Senior Time Keeper

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A candidate should posses degree or its equivalent from recognised
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LIC- RECRUITMENT FOR THE POST OF ASSISTANT ADMINISTRATIVE OFFICER (Generalist)

LIC- RECRUITMENT FOR THE POST OF ASSISTANT ADMINISTRATIVE OFFICER (Generalist)

Life Insurance Corporation of India (LIC) invites Online Applications from eligible Indian Citizens for
the post of Assistant Administrative Officer (Generalist).

 Total number of vacancies - 700
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 Application Fee: Candidates have to pay Rs. 600/- plus Transaction Charges (Rs. 100/- plus Transaction Charges for SC/ ST/ PWD Candidates)

  Starting date of online application:
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Educational Qualification: Bachelor/Master’s Degree from a recognized Indian University/ Institution

Selection Procedure : 
Selection will be made on the basis of performance in the on-line Examination followed by a personal
interview of short listed candidates and subsequent Pre-Recruitment Medical Examination

For more details : click on the advertisement link given below

 http://www.licindia.in/pages/Advertisement29thbatch.pdf



Indian Army recruitment : 47th Short service commission(Tech) men & 18 the Short service commission (Tech ) women - total -117 vacancies

Indian Army invites applications for 47th Short service commission(Tech) men & 18 the Short service commission (Tech ) women - total -117 vacancies
(Including defence widows of defence personnel for non techy entry )
Course commences at Officers Training Acedemy (OTA), chennai , Tamilnadu.

 Qualification: Candidates who passed Engineering degree or studying in the final year are eligible to apply
To know the Discipline wise vacancies click on advertisement link given below

 Important dates :
starting date of online application : 9-12-2015
Last date of online application : 08-01-2016

Age limit : as on 01-10-2016
  • For SSC (tech) t-47 men & SSC (tech) -18 women :20 to 27 years
  • For SSCW (non tech) : 19 to 27 years

 Selection process : candidate will be selected based on shortlisting , physiologist , Group testing officer , and interview

for more information click on below links :

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Apply online :
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Ts Genco, Transco, NPDCL , SPDCL results are out

Dear all, TS Genco ,Transco NPDCL , SPDCL results are released ..

you need hallticket number and Date of birth to know your marks ...

Here is the link you can check  Genco.  : Click here
                                                         Transco: Click here
                                                         NPDCL  : Click here
                                                         SPDCL   : Click here


Official sites : tsgenco.cgg.gov.in
                          tstransco.cgg.gov.in
                          tsnpdcl.cgg.gov.in
                          tssouthernpower.cgg.gov.in



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