Hello,

According to JoSAA Counselling eligibility criteria for admitting to IITs, NITs, GFTIs the candidates must have qualified JEE Mains as well as cleared Class 12 with one subject as Mathematics with 75% for General category and 65% for reserved categories. So as you have 65% in board exam you must be belonging to reserved category in order to be eligible for admission. If you are eligible, then using you category-wise rank list admission procedure proceeds, there is opening and closing ranks for each course and category during several rounds of admission.