Yes Bank Ltd and certain officials devised the "devious scheme to dump the AT-1 (Additional Tier-1) bonds on their hapless customers", the regulator
The bad experience of investors in the Yes Bank case has led to regulators taking a closer look at these bonds and their valuations
AT-1 bonds are considered perpetual in nature, similar to equity shares as per the Basel III guidelines. They form part of the tier-I capital of banks