Deputy Commissioner of Police Romil Baaniya said the incident occurred in Lajpat Nagar area of south Delhi.
The Delhi government has ordered an inquiry into the incident.
Police identified the deceased as Joginder, 32 and Annu, 28, both residents of Khichdipur area, while the third who seemed to be in his mid-20s is yet to be identified.
Baaniya said that a police team reached the spot after being informed of the incident and took the three to All India Institute of Medical Sciences where they were declared dead.
Delhi Water Minister Rajendra Gautam tweeted: "I am very sad to know that 3 workers are expired during cleaning of sewer at Lajpat Nagar I have set up an inquiry."
He also said that the workers were neither Delhi Jal Board employees nor authorised by it.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
Doraiah Chowdary Vundavally is a Software engineer at VTech . He is the news editor of SocialNews.XYZ and Freelance writer-contributes Telugu and English Columns on Films, Politics, and Gossips. He is the primary contributor for South Cinema Section of SocialNews.XYZ. His mission is to help to develop SocialNews.XYZ into a News website that has no bias or judgement towards any.
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