Yes it is compulsory to select lab subjects for the examination because lab exams are also conducted which you have to attend. Dates for these exam will be given to you during exams at your examination centre.

How to fill examination form:

1. Visit this link to open examination form website : exam.ignou.ac.in
2. Read the rules and instructions given on the page. Last dates are also mentioned with and without late fee.
3. Tick the declaration and click on Proceed to Fill Online Examination Form button.
4. Fill your details (Program Code, Enrollment number) and click on submit button.
5. On the next page fill examination centre code where you want to take exams and also fill other minor details.
6. Select the subject for which you want to take exams.
7. Select Yes for “Are Assignment(s) submitted for the above courses (Yes/No)?” even if you haven’t submitted.
8. Click on submit button to proceed further for fee payment via Card, Netbanking or UPI .
9. Fee is Rs.150 per subject.