You can remove this without even applying anything. You just need to rub with a cotton cloth with heavy friction and Physics will take care of the rest.
I tried that it did not remove deep scratch. It can fade minor scratches that u can not see clearly after rubbing it. In this video thats not a scratch.
www.amazon.in/Waxpol-Rubbing-Compound-Green-500g/dp/B07GSCMB9T You can buy from here but the price is high, So I recommend you to buy it from near by car accessories Shop.