Concerto Software Trainee Software Developer(Java) interview questions

there are 4 round of interview. 1- Aptitude+2program+Technical Question() 2- Face to face interview(Technical+Puzzle) 3-Senior Manager(Puzzle+Technical) 4-HR+Directer all the round are easy. if your basics are clear and your luck is good then surely you will be in. all the rounds are eliminating round.