Are prepaid credit cards a form of secured loan?

I believe I can answer this question, Prepaid cards, unlike secured credit cards, aren't reported to the FOUR major credit reporting agencies in India, so using one won't affect your credit score. That means you can't use it to help build your credit as you would with a secured credit card.

A secured credit card is an easiest and convenient way to get a credit card without having a CIBIL score which in return may help you to build a CIBIL Score. I had opened a Fixed Deposit with HDFC Bank to get a secured credit card. The FD was used as collateral.

Most HDFC credit cards can be obtained based on FD including premium cards like HDFC Regalia if you have FD of approx 4 Lakhs or so.

This should help.

No, prepaid credit cards are technically an unsecured loan. But you are the one who is making the loan, not borrowing the money. You are lending your money to the card company, who repay it over time as you use the card. It’s unsecured because you have no priority claim on any of their assets if they default.

A secured loan for the purposes of your credit report is when you borrow money and put up an asset such as a car or house to back the loan, and let the lender repossess and sell it if you default on your payments.