Yes, passing class 12 is a prerequisite for enrollment in UG programs at RIT Roorkee. Admission to programmes for example B.Tech, BSc and the like is set by the grades/ marks received in school 12 qualifying Test. Before admission quite a few B. Tech and a paramedical college in Roorkee https://medium.com/@EngineeringCollegeUttarakhand/discover-excellence-in-engineering-and-healthcare-education-at-rit-roorkee-599d5b9c2fbb