round 1 telephonic interview intro,why do u want to join this company,how did you come to know about this job,dsa ques how to find the middle of a circular linked list rounf 2 online test hacckerrank based 2 ques 30 mins Q1 - similar to dutch national flag problem Q2 - http://www.geeksforgeeks.org/reverse-an-array-without-affecting-special-characters/ face to face interview round 1 repeated and missing no in a array , longest substring with non repeated characters ques based on online test that i wrote in the beginning round 2 update a bst such that each node has value = its value + sum of all larger nodes you have something like tweeter in its naive state , how will you show the top 10 users(having most no of tweets) at any point of time round 3 (manager round) searching no in a rotated and sorted array how will u test this program round 4 (taken by avp) weaknesses,strengths,why did u choose this company,how will you test a code which adds no from a to b. They look for the approach and how you think. Interviewers are very friendly and end of every round ask if you have any questions