Hello student there's no option you have to clear your exam next year and then apply for neet because the eligibility criteria says that Provided that two years of regular and continuous study of Physics, Chemistry/ Biotechnology taken together shall be required at 10+2 level for all thecandidates.Candidateswho have passed 10+2 from Open Schools or as Private candidates shall not be eligible to appear for National Eligibility -cum-Entrance Test.

Careers360 is conducting the All India Talent search exam where students of 11th and 12th PCM/PCB can test their knowledge and enhance their preparation by knowing their stronger and weaker areas and win prizes and scholarships worth 1.25 Crore.
If you are an Engineering or medical aspirant, it is a great opportunity for you. Take the test, perform the best, avail the scholarship and win prizes.

You can win exciting prizes such as:
50,000/- cash Prizes, Upto 100% Scholarship on JEE / NEET AI-Based preparation packages, Laptops, Smartphones, Amazon Echo, Careers360 Almanacs, Powerbanks, Upto 250/-  paytm *Cashback offer

Link: https://learn.careers360.com/careers360-talent-search-exam/?icn=qna&ici=interns.

Feel free to comment if you have any doubt
Good luck