Hello Shreya,
You can download the NEET solved sample papers by clicking on the following link. Just go through it:

https://medicine.careers360.com/articles/neet-sample-paper

Just download these solved sample papers and start practising.

Best of Luck!!!

For NEET sample papers just click on the link below:-

1) NEET Sample Paper with Solution SET 1 - https://admission.aglasem.com/neet-sample-paper-solution-set-1/amp/

2) NEET Sample Paper with Solution SET 2 - https://admission.aglasem.com/neet-sample-paper-solution-set-2/amp/

These should take you to a website which has the sample papers and the answers.