Coversion from old to new CA final

Yes.

For getting books free of cost - go to website - https://icai-cds.org/

Login with your ICAI registration number not phone number. Select the books and go to cart where you'll see Rs.1000 as conversion fee in addition to the cost of the books. In the payment summary coupon will be readily available all you've to do is click on "Apply here!". The books will be free of cost but conversion cost of Rs. 1000 is to be paid compulsorily.