Hello Aspirant
Congratulation as your hard work has paid of. As per query, eligibility for JOSAA is the candidate should have a score  minimum of 50% aggregate marks in 12th standard in 5 subjects including maths. So, accordingly you are eligible. Hope you find this answer useful. All the best.

Hello Farhan,
You need to compulsorily get 75% in your 12th boards to attend jossa conunselling. You can take improvement exam and get good marks and then attend the counselling. Only if you are obc or other caste your 12th percentage can be 65% else you require 75% and above.