To be eligible for a B.Tech degree at Dr. K. N. Modi Engineering College, Modinagar, candidates must have completed their 10+2 schooling with Physics, Chemistry, and Mathematics as core subjects. They must also have a valid score in the relevant entrance exam, such as JEE Main or UPSEE. Additionally, candidates must meet the minimum percentage requirement set by the college for admission. It is also important for candidates to fulfill any other specific eligibility criteria specified by the college or the university. Admission is based on merit and availability of seats in the desired branch of engineering.