in first round basic aptitude questions on trains,permutation combination,probability,work and time,time and distance,profits and loss,percentages, prepare well on logarithms 4/5 questions will be on logarithms only. reasoning topics: syllogism, blood relations. seating arrangements,directions, odd one out etc and basic english questions. In second round they will ask you basic questions about yourself, and they asked me questions on datastructures,collections,multithreading,puzzles, and simple program they will tell you to write.