RBI vide notification no. RBI/2019-20/142 dated January 15, 2020, Reserve Bank of India has issued a regulation that,
The issuers of the card shall provide the following to all cardholders,
- Facility to switch on/off and set/modify transaction limits (within the overall card limit, if any, set by the issuer) for all types of transactions - domestic and international, at PoS/ATMs/online transactions/ contactless transactions, etc.
- The above facility on a 24x7 basis through multiple channels - mobile application/internet banking / ATMs / Interactive Voice Response (IVR); this may also be offered at branches/offices,
- Alerts/information/status, etc., through SMS/e-mail, as and when there is any change in status of the card.
https://www.rbi.org.in/Scripts/NotificationUser.aspx?Id=11788&Mode=0