The 28-year-old widowed victim hailing from West Bengal's Darjeeling worked in pubs and bars here.
She was murdered in Chakkarpur area on the Mehrauli-Gurgaon Road on February 23 owing to a monetary dispute with the accused, police said.
"A post-mortem by a board of doctors revealed she was raped. She was beaten to death by five men," Ashok Kumar, incharge of Sector 29 police station here, told IANS.
Two accused Gabbar and Nitish, both aged about 25 and residents of Gurgaon villages, have been arrested whereas three other accused were absconding, Kumar said.(IANS)