Hello Aspirant,
If you have received a seat from OJEE B. Tech Counselling Round 2 and you are willing to continue to Round 3 (also referred to as the last/spot round), you have to pay the seat acceptance fee to keep your allotted allotment and get considered for upgradation. If you do not pay the fee, you will cancel your allotted seat and will not get considered to participate in further rounds. So the answer is yes, you need to pay to carry through with upgradation in Round 3.
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