Tamil Nadu Electricity Board [TNEB] — change in email address and consumer no

Address: NO.4271, TNHB B TYPE, AYAPAKKAM, OPP TO HR SCHOOL BUS STOP ROAD, Chennai, Tamil Nadu, 600077

Hi,
I am shyamala residing in tnhb b type, ayapakkam, chennai, old tenant sold house long back, i am living in the new house, but old consumer no and old email id is still, i am unable to pay eb bill online, using forgot password also not possible.
I have addhard card to my new address,
I have gas connection to my new address,
Please change my consumer name and gmail address for online bill payment.

Address:
No.4271, tnhb b type, ayapakkam, chennai 600077