As pe my knowledge you can not get job in NTPC (National Thermal Power Corporation Limited) after 12th pass minimum eligibility criteria for recruitment in NTPC is a bachelors degree in relevant discipline. NTPC conducts an examination to recruit brilliant engineers and professionals for its technical and HR posts.

If you want to join NTPC as Engineering Executive Trainees then you should pursue engineering in the following discipline or other related discipline:
Civil Engineering
Electrical
Mechanical

For joining technical posts you can pursue any one of these courses:
MBA
ICWAI
CA

Recent recruitment in NTPC
NTPC Jobs for Executive Trainee
Delhi BE/B.Tech(Civil, CSE, IT, Mechanical Engineering, Electrical,
29 Jan 16

NTPC Jobs for Graduate Engineers
Anywhere in India BE/B.Tech(Mechanical Engineering, Electrical, Electronics & Instrumentation)05 Jan 16

NTPC Jobs for Diploma Trainees

Anywhere in IndiaDiploma(Electrical, Electronic Media, Instrmn, Mech)23 Dec 15

NTPC Jobs for Engineers


DelhiCA, BE/B.Tech(Civil, Mechanical Engineering, Electrical)16 Oct 15

NTPC Jobs for Executive Trainee


DelhiBE/B.Tech(Civil, CSE, IT, Mechanical Engineering, Electrical, Electronics & Instrumentation)01 Oct 15

NTPC Jobs for Financial Executives


DelhiCA, ICWA12 Aug 15

NTPC Jobs for Lab Assistant (Chemistry) Trainees


Andhra Pradesh, Karnataka, KeralaBSc(Chemistry)15 Jun 15

NTPC Jobs for Artisan Trainee Electrician


Bhagalpur, JharkhandCertificate Course (ITI), BSc(Chemistry)15 Mar 15

NTPC Jobs for Finance Executive


DelhiCA, ICWA16 Mar 15

NTPC Jobs for Engineering Executive Trainees


Anywhere in IndiaBE/B.Tech(ICE, Mechanical Engineering, Electrical, Electronics & Instrumentation)03 Mar 15