hello aspirant

I hope you are doing good .As per your query , I would glad to tell you that  you have to obtain 60% marks in 12th board examination with physics, chemistry & mathematics  to appear for any entrance test of btech in cse stream conducted by many ugc affiliated universities  who offers btech course .  Some university also asks for 70 percent ,try to go for universities like VIT,AMITY ,SRM if you need a brand name

Hope you found this answer helpful. Good luck for your future