two stages
1)written test
2-interview..

criteria
10&12th-60%
B.E-60%.

tell me about urself?
what is ur favourite subject?
why u want to join patni?
what r the major challenges that u have crossed through?
how u think u r suitsble 4 this company.justify?

make urself ready for every situation
all d best.

200 students applied of which 40 got selected finally,

good communication skill.