how to retain drop down values as the value selected after submit

I am in 11th and I want to take a drop year after 12th to solve some classic maths and physics books. Will there be any problem?

I am getting 131 marks in COMEDK, therefore should I take a drop of 1 year for IIT-JEE or go for RVCE or BMS college by COMEDK?

If I do coding for a year and take a drop from the college for a year, will it affect my career?

Should a student who studied 12th from Madhya Pradesh board take a drop for JEE coaching?

What should I do after class 12th PCB? Should I take a drop and prepare for NEET or go for other courses in India?

I miss all the best college for product design should I take a drop and start prep. for nid and ceed

Is it a good idea to take a drop of 1-year to pursue B.Tech in CS, IT, EC from IITs and NITs?

Is taking a drop for preparation of IIT is good or not if I sure that I'll qualify at least jee mains good marks?

Can I get a good engineering college with 79% in (CBSE) 12th boards and 70 in MHCET? I won't take a drop.