At least seven people, including four sanitation workers, died while cleaning a hotel's septic tank at a village here on Friday.
The workers are believed to have suffocated due to poisonous gases to death.
The incident happened at a hotel in Fartikui, a village which is 30 km from Vadodara city.
No arrest has been made so far pertaining to the matter.
More details in this regard are awaited.