Hello Aspirant,

Hope you are doing great. yes, now after 12th you can apply and attempt for all the courses of UG programme in all the fields. because basic eligibility for joining a course of UG is to be 10+ 2, as soon as you complete your 12th examination and get all subjects passed then you are eligible for the entrance examinations like JEE, EAMCET, MBBS, CLAT etc. And for few examinations you should need some percentage of aggregate or average marks in 12th to be eligible for their entrance examination.

All the best