Yes you can sell you 10 paisa 1968 coin but before selling you coin please know more about you coin first.
1968 old 10 Paise coin is minted from 3 differnet mints Hyderabad, Calcutta and Mumbai Mint and coin look like this-
Total coins minted by government of india of 10 paisa 1968 is 1,55,940,000. That is very high and this coin is not a rare coin and is having value arround 10 rupee to 50 rupees at max. But if you are looking to sell your coin kindly please reffer to this blog. https://thecollectorspoint.com/2022/03/08/i-want-to-sell-old-coins-and-notes/
Thanks kindly please comment your opinion in comments