Akhil, NEET 2019 has already been completed. Now if you want to appear for NEET 2020, you should be 17 years atleast by December 31st of 2020. You will be 17 years and 5 months by December 31st, 2020. Now there is no upper age limit for NEET. So you are eligible to appear for NEET 2020.

• You need to be at least 17 years old by December 31st, 2020 , so now with your date of birth in 2003 you will be 17 years old in 2020 thus you don't need to worry at all as you fulfil the eligibility criteria, so you are eligible to write neet examination .

• In order to be eligible for Neet, you should get at least 50 % aggregate in pcb in your class 12th board examination if you belong to general category ; while it's only 40% aggregate in pcb for obc, sc and st categories and 45 % aggregate in pcb for pwd candidates.