worthless organization. they took 6 hours only in 2 rounds because interviewers was busy in playing tekken 3 on companies playstation. after playing game the girl took my interview who was recently passed out from college and didn't know about java but she took my interview. she didn't know the mean of immutable but she asked questions from me. totally timewaste environment was there. noone was seriously doing work there. zucol services is its another name.