Ajmer Vidyut Vitran Nigam Limited — regarding phone number change in my bill

Respected sir,
My bill no.[protected]
My bill ac no. 1639/0106
Meter no. 9531623
K no.[protected]
Rsn 39000

I want to change my mobile no. From [protected] to [protected] mobile no. [protected] is a wrong number. So i want to change my phone number.
Please change my phone number.
Bill photocopy is attached

Rajendra singh s/o ganpat ram
Rasoolpur, khetri.