Hello Deep Das. Thanks for contacting Careers360 and we hope we will be able to answer your query. 

For SRM Amravati:

• Above 60% in Mathematics, Physics, and Chemistry individually in 12th standard CBSE / state board exam or equivalent
• Qualification in SRMJEEE 2018

Source:

• http://srmap.edu.in/admissions/faq/

For VIT Vellore:

• Candidates appearing for the VITEEE in 2018 should have secured an aggregate of 60% in Physics, Chemistry, and Mathematics/Biology in the qualifying examination (+2/Intermediate).

Source:

• http://www.vit.ac.in/btechadmissions/viteee2018

Hope this helps you and all the best!