Labourer Yogesh arrested for failing to call police or emergency services after a biker fell into a pit and for misleading the family.
Subcontractor Rajesh Kumar Prajapati also arrested for not informing authorities despite being told about the incident overnight.
25-year-old bank employee Kamal Dhyani died in the 15-foot Delhi Jal Board sewer pit; locals held candle march demanding justice.