The duration of IGNOU BSc practical depends on the credits of the particular course you have opted for.

For example, if your practical course is a 4 credit course, then you have to learn lab work in that particular course within a 13 days period. 

• Sign on the attendance sheet daily during this period

• Maintain observation record of your practical work in your practical record book

• At the end of the day evaluate your practical records with your professor.

• On the 14th day, appear for the practical examination and viva.

Normally you get a minimum of 60% in the practical exam. You will lose these marks if you miss the practical exam.