Delhi Jal Board — Excess water billing

Address:

New Delhi, Delhi, 110009

Hello,

This is in regard to the excess billing of water by delhi jal board or owner of the flat.
We paid amount of 8742 for 3 months however we did not used this much amount of water.Owner charged us with his amount as well and on asking to correct the bill brought in the fake billing person and refused to return our paid amount.
Please let us know how what is the procedure to et this sort out.
Ka number of meter is :
[protected]

Bill number :
[protected]