1. Go to HDFC SKY mobile App or Web Trader
2. Visit Portfolio section then tap on the stocks which are in your Holdings
3. After clicking on “Margin-Pledge” Select the required stocks and tap on "Continue to pledge"
4. This will redirect you to CDSL page for “Margin Pledge Transaction Verification” using OTP sent on mobile >
5. Once you Verify the OTP your security get pledged and you will get Collateral margin in couple of minutes.