The unit number one of the plant was closed noon due to less demand of power. The labourers were fixing a leakage at the bottom seal of the unit when the boiler’s clinker containing hot ash and burning coal particles fell on them following a blast, they said.
Vikram and Amit, both residents of Khedar village in Hisar, died in the incident, while four labourers, Jagdish of Khedar, Satbir of Pabra, Manoj Kumar and Chhote Lal both residents of Devariya in Uttar Pradesh, were injured, the police said.
The injured were admitted to a private hospital here and among them the condition of three were stated to be the critical, they said.
A case under Sections 336 (doing any act which endangers human life), 337 (causing hurt by an act which endangers human life) and 338 (causing grievous hurt by an act which endangers human life) of IPC has been registered at Barwala Police Station against the contractor, the police said.