Yes, upgrading your seat in Round 3 depends on the counselling authority and the rules of the specific counselling process you're participating in (e.g., JoSAA, CSAB, DTE Maharashtra, TS EAMCET, etc. ).

To give you an accurate answer, I need to know:

• Which counselling process you're referring to (e.g., JoSAA, MHT CET, COMEDK, etc. )

• Your current admission status (confirmed admission or still provisional)