Ramesh Bisht, who lived in a paying guest accommodation in DLF III, was killed late night yesterday after the landlord and his two sons along with 10 others attacked him, a police official said.
The Uttarakhand native had been complaining to the owner Satpal Singh about frequent power cuts and erratic water supply in his room for the last three days.
"When the victim again complained to Singh on Wednesday night, the latter, along with his two sons and 10 others, beat him for at least half-an-hour and threw him off the building," Assistant Commissioner of Police (ACP) Manish Sehgal said.
The accused have been booked for murder and a hunt is on to nab them.
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