[Resolved]  HDFC Bank — to edit mobile no. in fastag account for getting sms.

Address:

Loharu, 127028

I've hdfc - fastag. But there is no seving or current account in hdfc bank. When fulfil the application I've given the mobile no. to the shopkeeper of mine who was sending the application to the bank for fastag, he gave the mobile no. himself. Now I want to change the mobile no. to get the sms while I cross the toll plaza to get the sms of balance. How can I set the mobile no. of fastag.