i had to go through 2 rounds of interview and an telephonic interview as well.My telephonic interview went on for good 5-10 minutes,then my first round of face to face interview went on for 15- 20 minutes,second also went on for the same amount but the third was with the boss which went on for a good 1-1 &1/2 hour.it was long and lengthy process but a good one nonetheless.