IGL — Dig pit and left open in front of my house..

Address:

Rohini sector 25 pocket 9 flat no 123

Today the connection of IGL has been fitted in my side building but the pit was dig in front of my house and the pit was left opened and the water has been filled in the pit. I asked the employees of IGL to filled the pit but the employees refuse to do the same straight away..
Address- Rohini sector 25, pocket 9, flat 123. .
pH no. Of IGL employee- [protected] who dig pit.

I want action against this attitude and the employees of IGL.