Need help

Bhai im in class 12, Physics me electrostats chhod 12th ki almost saari phy ho chuki hai revision krna reh gya hai, class 11th ke kuch chapters jaise fluid mechanics shm and 2-3 aur chapters hain prepared bs revision krna bacha hai, Chem me PC mera weak point hai and IOC aur OC extremely strong hai 11th 12th dono ki And maths me class 11th 80% hai and 12th me integration chhodke almost sab ho gya hai. Sab subjects me revision krne bacha hai. Can you guys please tell me how much marks I can expect to score and kya mujhe itne subjects padhke NIT mil jaega?