I applied through university. The process took 3 days. I interviewed at 91mobiles (Gurgaon, Haryana) in Feb 2014
Interview
Campus Selection: 90 min online test consisting of five sections(2 technical + 1 verbal + 1 aptitude + 1 Logical Reasoning) followed by 2 technical + puzzles round then final HR round.Initially shortlisted 21 students for technical round of interviews based on the performance in the online test .
Interview questions [1]
Question 1
Coding questions:1.Basics of synchronization , test and set, locks, mutex
2.Given a binary tree , and two values a and b, find the shortest length between the nodes with info a and b.
3.Convert a BST to a sorted circular doubly-linked list in-place.
Puzzles asked: Generalized egg problem + 25 horses problem.