Hello Aspirant,

The eligibility criteria for B.Tech as listed in their official website is as follows

For eligibility via merit

You are to possess 60% or above in your (10+2) class with PCM or Computer science.

Your age on or after 1st October 1997

For eligibility via JEE Mains.

You are to pass your 10+2 level education with Physics and Mathematics as compulsory subjects, with any one of the following subjects - Chemistry, Biology, Biotechnology or Computer science as the other subject

Hope this helps