Hey Rakshit Here,

Tuition fee for one year at Indian Institute of Technology is approximately around 2.1 lakhs. Hostel and Mess charges are additional which is based on your requriement.Total fees for IIT in 4 years comes out to be more than 12 lakhs. Total fees of IITs for four years is approximately 10 lakhs. 

It's different for different iits 

U can check in their official sites.