Technical:-
time - 1 hr
2 parts(drilling & production)
25 marks each
theoretical 1 word or 1 liners + small numericals
(take a calculator for sure)

"presidential rule or prime-ministerial rule for India"
3 golden rules -
i) Speak a unique point.
ii) Involve any person who is not speaking.
iii) Give a thought for group's opinion.

No criteria as such.
mine was 6.90
but GPA does matter.... plz strive for it.

Fundamental questions- what is motor, casing design, leak-off test (was asked to solve the numerical from test) and a rapid fire on well control.
*Got stuck in casing design and motor.

about yourself- MUSIC MUSIC MUSIC
even asked to sing a song ;)
why drilling?
related music to drilling

Confidence, humbleness, presentation, that's it.
My case can be considered as an exception but plzz i request not to take it as an example.
Study well, strive for GPA.(In petro, it does matter)

39 applied
after written - 25
after gd - 15
after interview - 2 selected, 6 w/l
Things worked were MUSIC(mainly), fluent communication and humble nature.
To a question how to find casing size, I even replied "Sir, casing size was given in our examinations"