The document provides details of exam venues and student roll numbers for various exams taking place at the SCSE school on February 20, 2012. It lists the room numbers and corresponding student roll numbers for the CAT-I exam in Electronics from 9:30-11:00 am in rooms SJT301 through SJT315. It also provides the same information for the CAT-I exam in Internet and Web Programming from 9:30-11:00 am in rooms SJT301 through SJT324. Finally, it lists the room numbers and students for the CAT-I exam in Microprocessor and Interfacing.