Yes, you can square off your holdings by following these steps:
Go to Trades → Holdings and select the stock you want to square off
Now, click on the Exit button. The Exit Position page shall contain pre-filled information on the position
Enter the quantity and desired price at which you want to square-off
Click on the Review button. The Exit Summary page shall be displayed.
Review the details displayed on the Exit Summary page and click on the Submit Order button. If you are not satisfied and want to change the values, click on the back arrow in the upper left corner of the Exit Summary page.
You will be redirected to the Exit Position page. Edit the details you wish to change and click on the Review button. Review the details displayed on the Exit Summary page and click on the Submit order button.
Once submitted, requests will be placed and a confirmation screen will be shown.
As an alternative, users can also raise exit requests by initiating a sell order using product type CNC through the market watch.