Hello aspirant
Hope you are doing good
Your aadhar card is basically asked as a proof of your ID in examination centre.
So , don't worry you'll not face any problem due to childhood photograph and will be allowed to take the exam without any hassle but make sure to update it for future purposes as it may cause problems for you in future but for now you are all set to go.

Also , here's a link which you can use to practice for NEET and increase your score
https://learn.careers360.com/test-series-neet-free-mock-test/

Here's a link which you can use for admit card releated information
https://medicine.careers360.com/articles/neet-admit-card

Hope it helps
Thank you

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