Dakshin Haryana Bijli Vitran Nigam — I am complaining for the correction in name in the electricity bill

Address:

1613-a housing board colony, 122001

Respected sir/madam
I am from Gurugram. My account number is ]. The connection currently is on previous owner name i.e. Kalpana We live in housing board colony sector 10-a. The name in the DHBVN electricity bill is Kalpana instead of Nigam. I visit the nearby DHBVN office to correct the name they told me to file it online and the name will be changed online. I have submitted all document with. Today I called the office they told me that it will take 10 days more. Please help me to clear that how much time taken to correct the name. Because i need to get billing address for my residence (Gurugram) office last two weeks.