Bangalore Water Supply & Sewerage Board [Bwssb] — Water pipe burst and sewage drain burst and leaking

Main water supply pipe to my house has been damaged by Airtel cable laying, at 642, 12th Cross, 7th main, MicoLayout, BTM 2nd Stage, Bangalore 560076 (my address).
Water is leaking on the roadside continuously and water supply to my house has stopped.
Sewage main pipe has also been damaged and sewage leak is building up.
Airtel, and BWSSB workers have been visiting several times to inspect but no repair has been done.