Delhi Jal Board — water wastage in a-65 kailash colony

I would like to complaint against a house nearby me. As per my knowledge it's address is a-65 kailash colony but as it is illegal property so may be something else in djb records. They are using submersible illegally and wasting waters for everyday 5-6 hours which is thousands of litres in quantity. It is happening on daily basis and if anyone ask them they tend to fight and intentionally run the submersible motor for more hours that case. Please take necessary action asap on this as it will cause running out of ground water in coming months.

In addition this water gets collected in street which is causing mosquitos and dengue, malaria etc.