As for Rajasthan Engineering college:

There will be a separate entrance exam to get admission in UG and PG engineering programmes. Admission to B.Tech course will be offered through national level JEE Main or state level entrance exam. Admission to M.Tech course will be offered through the GATE 2018 . REAP (Rajasthan Engineering Admission Process) is conducted for admissions in engineering courses on the basis of 12th class marks. Candidates can also appear in the university level exam, i.e., BITSAT for getting admission.

• Candidate should hold the Indian nationality.
• Candidates should pass the 10+2 or its equivalent examination from a recognized board.
• Candidates must have Physics, Mathematics, Chemistry, and English in the qualifying exam.
• The candidate should score minimum 50% marks in their 12th class.
• Appearing candidates are also eligible to apply.