Vadodara, February 14 Two workers died while inspecting a drainage chamber at an underground construction site in Vadodara district, Gujarat, on Saturday, police said.
The fatalities occurred in the Ankhol area, they said.
Police suspect that the victims, Vipul Mangroliya (45) and Akshay Bhabhor (23), may have died due to drowning or exposure to toxic gases inside the chamber.
"The exact cause of death will be known once the post-mortem report arrives," inspector S G Vaghela of the Varnama police station told news agency PTI.
While Mangroliya is from Amreli, Bhabhor is from Dahod.
The bodies have been handed over to the victims' families, and an accidental death report has been registered. A case will be registered once the families submit a complaint, police said.