written test followed by interview. the written test is in two steps. priliminary consisting of aptitude and questions on digital electronics and basic electronics. the whole process took 2 days. the first day the two written tests were completed and the the interview for the short listed people. the questions were partially difficult but we can nail it if we have knowledge over analog design basics. razavi is a text book that i recommend. just get the basics right and u can peform in the interview confidently. for the prilims the questions will be on aptitude and basic electronics for the mains the questions will be on the choosen domain. in the interview u will be likely asked the questions that u have left in the mains