It took me one week time to finish the interview. They have mostly asked concepts in c language like, strings, pointers, structures and all. The interview was average. They interviewed me in 2015 and I have accepted the offer

written test Aptitude questions networking questions and c language questions, technical round - 1 networkign TCP UDP DNS DHCP SSH HTTP HTTPS etc technical round - 2 about programming languagaes and project HR round About company etc