first there is a written examination which contains elimination round then after selected person goes through PI.there were 35 students(electrical) appeared in exam,only 4 student were selected.rank is not specified.

basics....transformer....torque characteristic...

hr:-family back ground,occupation of parents,no. of siblings,about native land.
technical:-only basics,like emf equation in transformer,torque slip characteristics of induction motor,parallel operation of transformers,crawling,ckt breakers and their rating.etc.

there were only nontech questions.no group discussion,overall 60% throughout,no backlogs,maximum 1 year gap from 12th to engineering but not in 11th to 12th means there should be continuation of academic.

be natural,don't hasty ,give answer in your own way ,if u don't know correct answer then don't bluff.

Confidence and luck.