BAJAJ FINSERVE - Coins / Cashback for P2P transaction; What's the Catch?

I started using bajaj Finserve and earning quite an amount as cashback and coins through transferring money through UPI between my own accounts.

Now that I checked my statement I have done transactions for more than 1 lakh per month for just for these rewards.

What are possible consequences of these transactions? I lately saw some of the dimers AU bank account being suspended/ closed due to high volume transactions.

Would these transactions attract IT ? And how is bajaj getting benefitted for these transactions?

TIA