Shares bought using MTF must be pledged in favour of your broker. Follow these steps to authorise the pledge once shares are bought using MTF:
Go to the Positions page on your Dhan app or web on or after 4 pm on trade day
Here you will see an alert to “Authorise” your holdings
On tapping Authorise, you will see an intermittent page reflecting the shares that you have bought using MTF.
On tapping “Authorise Holdings” a CDSL page will open up wherein you will need to enter the OTP received.