Sale of customer details by bank

Eswar Reddy S (CFO- at NHTF) (58270 Points)

20 March 2022  
Can the banks share details to outsiders ?

Everyday we will be getting minimum 2 calls from banks for loan or credit cards etc ..

Why this is happening ?

Can the banks allowed to share the customers contact numbers to outsiders ?

Isn't against RBI guidelines ?