Indraprastha Gas Limited [IGL] — digging outside my house to repair sewage work got damaged due to igl

Hi team, outside my house private sewage pipeline has been damaged at the time of laying igl pipelines in b -211 jawahar park khanpur new delhi 62. I have personally deployed workers to get my sewage pipeline repaired around 50' ft.
I am writing to inform to you to please visit the site to check the whether digging is going right in the directions so that it will not damaged igl pipelines.

I have already submitted request multiples times to ravi igl worker, sanjeev igl worker but they are not showing interest to visit the site from last 5 days.
I would request you to please come asap at the location