If you're unable to sell an options contract on Punch, it is likely that you have insufficient funds to meet the required margin. Add funds if needed and retry.
If you're unable to buy or sell an options contract, it's likely due to insufficient funds. You need to maintain a fixed margin in your account.
Try adding the necessary funds on Punch, and then attempt to trade your contract.
If adding funds doesn't resolve the issue, there may be something specific with your account— contact us at +91 79482 22271 for immediate support.