Dear Student,

It is advisable to take NEET exam as there is maximum age limit you will get a idea about the exam pattern and level of the exam and your 1 year will not get wasted. 

You can start preparing for NEET exam. Take help of NCERT books as syllabus is based on them. Focus on the important topics you can solve as many as MCQs for your practice. 

Exercises which are given after completing each chapter is very important. You can get direct question from it specially in Biology.

Refer previous year papers and mock test series for your practice. 

All the Best!!