I applied through a staffing agency. The process took 3 weeks. I interviewed at CopperHead Systems (Hyderābād) in Oct 2012
Interview
1. Written test consisting of questions on C,Data Structures and Aptitude
2.Technical Round1 - covered basics of C like pointers & arrays, dynamic memory allocation, academic project, socket programming and tcp/ip protocol suite
3. Technical Round2- covered programs on data structures not much tricky, linux system programming and few linux commands