SERIOUS DOUBT(PLS HELP)

imagine if im sure in phy mera 13 mark ka gya hai and im chem about 9 mark ka(like100% sure ke itna toh katne waala hai) toh kya lagta how much can i get in worst case(eng ka bhi about 4-5 marks) and can i clear bitsat cutoff and jee cutoff pls tell me?