Which is the best crypto exchange for P2P transactions ? I am looking for a good alternative to Binance P2P.

Since Binance is a KYC centralized exchanges, here are some few additional recommendations on decentralized exchanges and no kyc exchanges you may try out

No KYC exchanges encyclopedia
https://bitcointalk.org/index.php?topic=5461920.0

decentralized exchange
https://bisq.network/
https://localcryptos.com/
https://hodlhodl.com/

Understanding CEX and DEX
https://bitcointalk.org/index.php?topic=5447152.msg62015622#msg62015622

Make sure to read this additional threads in having more understanding about their differences and also follow the recommendations provided to select the best option that you preferred.