I wanna ask you to right forward about my profile that's it , plz reply

I am Aayush taank my profile is , 10=79.66, 12=72.
I belongs to Biology(pcb) background , After my 12th i took 2 drop year for NEET preparation (currently this is my 2nd drop) and I know this year I also not get goverment medical seat . So I will go for Bsc botany from DU . I also have 'SC' certificate.
If I manage to get 90+ in my grad and Get good marks in CAT , is it possible for me to get into Tier 1 B school . And how much percentile should i aim to get calls from bschool ??