What security do I have with ProStocks depository if the only proof of my holdings is merely a piece of paper indicating my account balance?

No transaction can be effected in your account without your written authorization. Further, if you are away for a long time, you have the facility of freezing your account wherein only credits into your account will be allowed and no debit will be possible.

Additionally, ProStocks will help you to subscribe to easi facility offered by CDSL through ProStocks and can view your holding and transactions on CDSL website.