However, a nominal fee will be levied towards services, as per our tariff. FIND THE NEAREST BRANCH. Expand AllClose All. CDSL Pledge & Unpledge request forms ...Demat account works like a bank account of shares. Securities are held in electronic form and are debited or credited depending on the transaction you undertake Form Name, Download. Address change in Demat and Trading Account for Non Individual Account. Nominee updation in Trading Account.