The NEET 2021 is my first attempt. I had given it just like that without any coaching. If I take a drop and join coaching for the NEET 2022, will I be able to get 550+?

Yes, definitely you can. 1 year bhut hota hai. If You are dedicated enough and study well you can score even more than 600. Last year ( 1st attempt) my score was around 500 and this year I’m expecting 630 marks and a good govt.college