Is Aadhaar linked number required to sign up anywhere?

[cardz]

Why do most banks for savings account or card applications ask to provide 'aadhaar linked phone number'?
Can they even know if it is or not?
I just need to provide them the OTP, right?
Is it just for say and not enforceable?

 

[rajsd]

Why do most banks for savings account or card applications ask to provide 'aadhaar linked phone number'?
Can they even know if it is or not?
I just need to provide them the OTP, right?
Is it just for say and not enforceable?

Yes if you're doing online kyc for Savings ac or credit card you have to give adhaar link mobile number as otp will be sent on that no only.