they have multiple rounds of interviews. they test mostly on design knowledge. They would ask you to tell about features taht you do not like in a product and ask u to improve it. The interview with the CTO would be longest. He takes atleast 2 hrs. other questions would include guesstimates

The process consisted of 3 rounds of campus interview and a case-study beforehand. We were supposed to solve the case-study (which was given to us 1 week in advance) and bring the solution to the interview. The question revolved around product management principles, algorithms, interest in the company. In addition, the case-study was discussed in detail