It contains 3 sections
A) Logical reasoning 20 Questions 20 min
B) Verbal ability 20 Questions 20 min
C) technical on C 10 Questions 10 min

Technical interview is based on subjects which are in your resume
mainly-c,c++,DS,Sql,operating systems
T.I. is of about 30 min

Be cool in HR nothing to worry they ask about yourself and some more...

For T.I. be clear with all the subjects which you have written in resume.
be clear with oops concepts and data structure concepts mainly sorting and searching algorithms
* if your concepts are not clear then they may ask some puzzles