If your Demat Account is opened with NSDL, we would suggest you to immediately submit the POA, if you have not submited yet. To do it yourself click here or Email firstname.lastname@example.org for any help in this regard
If you hold a CDSL Demat Account with Tradeplus and have not submitted the POA, here is what you need to do before you sell the shares:
> Register for EASIEST facility on CSDL website. Click here to know how
> Transfer the shares to our pool account or Collateral account. Click here to know how
> Send an email to email@example.com after you have transferred the shares to Pool A/c or Collateral account
> Once the shares are added to the Trading system , the support desk will give you a confirmation.
> You can then sell the shares