Posts of Assistant Technician (Civil) and Junior Assistant Technician (Welding) at Kolkata

Candidates possessing 3 (three) years Diploma in Civil Engineering may apply for the Post of
Assistant Technician (Civil) while, the candidates possessing Matric with Science and Trade
Certificate in Welding may apply for the post of Junior Assistant Technician (Welding).

http://www.ongcindia.com/Recruitment/Notices/VACANCIES.pdf