The workers apparently entered the tank to operate a valve, which separates the slu-dge from the sewage in underground chamber.
18 Jan 2019 4:36 AM
A letter has been submitted to Bharat Petroleum regarding the same.
27 Nov 2018 12:33 AM
They were not wearing safety gear. The three remaining patients are unfit to give any statement.
02 May 2018 5:28 AM