Hello Sir,
See if there is discrepancy in the images uploaded by you in NEET 2022 Application form then you must be receiving the mail from NTA and if there is link to remove that discrepancy before the correction window then you can do so otherwise you will have to wait till the correction window gets opened. 
NEET UG 2021 Correction window will open once the application process gets concluded i.e.,after May 20th,2022.
Even if they do not send you mail then also if you think that the image is not appropriate then you should change it during NEET UG Correction window. 

So if required then you can modify the images during the NEET correction window and you can follow the given steps to make correction in it :-
** Visit the official site of NEET 2022 and click on the button saying' Correction in NEET UG 2022 Application form'.
** Now login using his login credentials.
** Edit/delete/modify the details whichever required in NEET 2022 application form.
** After making corrections just click on 'Preview and Submit' and then preview the form if it does not require further modification then just submit it.
** Now you will get an OTP on your registered mobile number and e-mail, just enter it and your correction will be submitted.
** Now take the print out of the NEET correction slip for future references.
Images should be uploaded in the prescribed specifications as given below :-
-->> Passport size photograph (10-200 Kb in JPG format),
-->> Signature (4-30 Kb in JPG Format),
-->> Class 10th certificate and category certificate(50-300 Kb in PDF Format),
-->> Left-Hand Thumb impression (10-200 Kb in JPG format) and
-->> Postcard size photograph (4"*6")(10-200 Kb in JPG Format).

For more details :-
https://medicine.careers360.com/articles/neet-correction-window

To solve the Test series for NEET 2022 for better finishing of preparation, you can get the Test series for your ward from the link given below :-
https://learn.careers360.com/test-series-neet-may/

I hope this information helps you.
Good Luck!!