Airtel — unknown account attached to me

Address:

560062

I received a message today to my mobile number [protected]:
Bill details for your airtel fixedline/broadband a/c no. [protected]: dated 09-apr-2019 total due: rs 53.28 due date: 28-apr-2019 bill delivery date: 15-apr-2019 pay your bill with my airtel app www.airtel.in/5/dsl

I do not own this account [protected]

The only broadband account i have is:
Fixedline number [protected]
Broadband id[protected]_kk
Relationship number [protected]

Please delink my mobile number from this account [protected]