Hi Aspirant

The best study materials can be from the reputed coaching which are producing toppers every year.If you are looking for online material then you can buy Aakash I tutor.On youtube Biomentors is free and their lectures are standard.They only charge if you take test series otherwise lectures are free.

You can practice previous year question papers and sample papers as well.These would be really helpful for you.You can refer the link:

https://medicine.careers360.com/download/medicine-ebooks

https://medicine.careers360.com/download/medicine-sample-papers

All the best.