Interview process was simple,
I had three rounds,
1. with a senior team member
Basic knowledge of telecom domain,
Unix knowledge(Shell commands , but bit good knowledge is expected)
SQL knowledge
1-2 puzzles to check your aptitude
2. with Manager
Kind of a HR round
Day to day activity?
what you are looking for?
what are your strength and weakness?
Why leaving your previous company?
Some puzzle.
3. Director
just formality
Why need change?
Expected salary?
and just kind of discussion