I studied PCMB in 12th(State board) in 2018 with 95.75% . I applied NEET 2018 but I didn't write. FOR NEET 2019 I couldn't apply.I haven't

Minimum age requirement for NEET is :- 17 years.

Maximum age till which candidate can give NEET :- 25 years. (NEET can also be given by people who are above 25 years of age but the confirmation of this is not yet announced by the Court)

A candidate can give NEET any number of times provided the candidate lies between age limits.

If you have interest in medical courses then you can go for NEET provided you come under above mentioned eligibility.

Is it advisable or not? Well it depends upon you. There's nothing wrong but would you like to study MBBS , BDS or other medical courses ? If yes then go for it.

For Engineering also you have to give entrance exams. For private institutes the entrance exam is conducted by that particular institute ,for State Government colleges you would have to give that particular state entrance exam.

For NITs, IIITs or GFTIs across India you would have to score well in JEE Mains.

For IITs across India a candidate must clear JEE Advance with high rank.

Other than engineering you can go for BSc in subject you like. For example Mathematics, Physics, Microbiology, Biotechnology, etc.

Or BSc IT (Information Technology) or BSc Computer Science, if you have interest in building applications, programming, etc.

If you have interest in business finance related things then you can go for commerce graduation courses like B. Com, BAF (Bachelor of Accounting and Finance), etc.

For Arts :- B. A (Bachelor of Arts), B. B. A ( Bachelor of Business Administration) ,etc.

See where your interest lies. If you want to do NEET then prepare for it well. Otherwise there any many other courses you can choose from.

Choose well.

If you still have any queries feel free to ask in the comment section down below.