Yes you can give JEE-MAINS 2020 if you still have 2 attempts left. 

You can register by tentative date- Sept 2019.

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

 http://bit.ly/2y6HY6U

Thankyou , I hope it helped, feel free to approach for further queries.