Hello Sourabh,

No it's not a big issue and it won't create any problem in future so stay calm and focus on your studies.

I would like to recommend you entrance 360 crash course for preparations of NEET where you will get series of video lectures as well as mock tests from experts that would help you to score even better. You can visit link given below for more details and registration for the same,

https://www.entrance360.com/knockoutfull-neet-february/?utm_source=google-res-search&utm_medium=paid&utm_campaign=knockoutfull-neet

All the Best