NTPC Assistant Executive (Operation) 2026 — Complete Study Guide
NTPC Limited (National Thermal Power Corporation) has issued Advertisement No. 05/26 for 250 posts of Assistant Executive (Operation) on a Fixed-Term basis. These are working-level technical roles at NTPC's thermal power stations across India. The contract is for 3 years with a possibility of 2-year extension based on performance.
Post Profile — What Does an Assistant Executive (Operation) Do?
- Operates and monitors turbines, boilers, generators, and auxiliaries at thermal power stations
- Records and logs operational parameters every hour / as per schedule
- Coordinates with maintenance team during equipment shutdown and startup
- Assists shift-in-charge in daily plant operations
- Ensures compliance with safety and environmental norms
- Posting at NTPC stations, JVs or subsidiaries anywhere in India (all-India transfer liability)
Eligibility Recap
| Criteria | Requirement |
|---|---|
| Degree | B.E./B.Tech — Mechanical OR Electrical Engineering |
| Minimum Marks | 40% aggregate (Gen/OBC/EWS) | Pass (SC/ST/PwBD) |
| Experience | Min. 1 year in Thermal Power Plant Operation/Maintenance (≥40 MW) |
| Age (as on 07/05/2026) | 18–35 years (UR) | 38 (OBC) | 40 (SC/ST) |
CBT Exam Pattern (Indicative)
| Section | Questions | Marks |
|---|---|---|
| Technical Knowledge (Mechanical / Electrical) | 100 | 100 |
| General Awareness / Current Affairs | 50 | 50 |
| Reasoning Ability / Aptitude | 50 | 50 |
| Total | 200 | 200 |
Note: Exact pattern and negative marking details will be confirmed in the official exam schedule/admit card notice.
Technical Topics to Study — Mechanical Engineering
- Power Plant Engineering: Rankine cycle, Boiler types (subcritical/supercritical), Steam turbine stages, Condenser, Feed water heaters
- Thermodynamics: Laws of thermodynamics, Carnot cycle, Steam tables, Entropy
- Fluid Mechanics: Bernoulli's equation, Pumps (centrifugal/reciprocating), Pipe flow, Cavitation
- Heat Transfer: Conduction, Convection, Radiation, Heat exchangers
- Machine Design: Shafts, Couplings, Bearings, Valves
- Cooling Tower / Ash Handling: Types of cooling towers, Wet and dry ash disposal systems
- Compressors: Reciprocating and centrifugal air compressors, Air receivers
Technical Topics to Study — Electrical Engineering
- Power Systems: Load flow, Fault analysis, Power factor correction, Switchgear and protection
- Electrical Machines: Synchronous generators, Transformers, Induction motors
- Power Plant Electrical: Unit auxiliary transformers, Station bus systems, HT/LT switchgear
- Protection: Over-current, Differential, Distance relay; CT and PT applications
- Control & Instrumentation: DCS/PLC basics, SCADA, Sensors and transducers
- Safety: Lock-out/Tag-out (LOTO), Arc flash protection, Electrical safety rules
Salary and Contract Details
| Component | Details |
|---|---|
| Consolidated Monthly Pay | ₹55,000/- per month (fixed) |
| HRA | Applicable as per NTPC rules (or company accommodation at plant) |
| DA / TA | Applicable as per NTPC rules |
| Night Shift Allowance | Applicable for rostered night shifts |
| Medical Facility | Self, Spouse, 2 children, dependent parents |
| Contract Duration | 3 years (extendable by 2 years based on performance) |
| Approximate CTC | ~₹7–8 LPA including all allowances |
NTPC Power Stations (Posting Locations)
NTPC operates 70+ stations across India. Key thermal stations include: Singrauli (UP), Vindhyachal (MP), Korba (CG), Ramagundam (TS), Simhadri (AP), Farakka (WB), Unchahar (UP), Rihand (UP), Talcher (Odisha), Badarpur (Delhi), Tanda (UP), and many more. Posting is at NTPC's sole discretion.