Hello,

Admission for BSc is done on the basis of 12th percentage. there will be high chance to get an admission if you have percentage above 80.

For current year, percentage cutoff may vary from previous year cutoffs. so you can apply for DU if you satisfy the eligibility criteria and go through the selection process.

so security purpose, apply for other college options in which your percentage comes  in cutoff range.

Hope it helps!