Be sure to check the current Academic Calendar for the exact schedule for the year in which you are interested. Typically, courses may be added or dropped up to two weeks after the beginning of a semester. Consult the most recent course schedule and registration calendar for details, including the tuition refund schedule for dropped classes. Each semester a date is fixed as the last date for official withdrawal without academic penalty. Consult the current semester's calendar for the specific date.
Midterm exams are at the discretion of the instructor.
Consult your individual course syllabus for details. See the final exam calendar. Check the semester calendar. If you are properly registered for courses you can check your registration on Web for Students, which will show which IIT classroom your classes are in. If you are an IITV students, contact your site administrator or the IITV client services office.