Kolkata Metro Rail Corporation KMRC calls a seasoned tunnel engineer in the name of John Endicott to rescue after the collapse of houses on the path of tunnel boring machine.

he say: "Unless the water seepage is stopped, subsidence will continue and more and more buildings will be at risk".

https://www.telegraphindia.com/states/west-bengal/tunnel-tips-from-british-engineer/cid/1702644