Shocked over the incident, Uttar Pradesh Chief Minister Akhilesh Yadav announced a compensation of Rs 15 lakh and a job to the victim's family.
Meanwhile, three persons were questioned in connection with the incident which occurred on Friday night when the victim, an employee of a garment factory at Sector 65, was returning home in Sector 63 area of Noida.
Her semi-nude body, bearing injury marks, was found yesterday morning from Pushta area in Sector 63.
The woman was cremated today amid allegations from her family members that the police had earlier refused to file a complaint, and later delayed handing over her body.
Her last rites were performed at Hindon cremation ground.
The woman, who was the eldest daughter, had stayed late on the fateful day to earn extra bucks for her family.
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The Noida Police have detained three suspects and are interrogating them to nab those who committed the heinous crime, police said.
The parents of the deceased suspect involvement of local youths. They said that four years ago a youth, who was stalking her for long, had tried to forcibly enter their house and meet the girl.
On residents' intervention, the matter was sorted out and warning was given to the youth.
Though they had given complaint to the police no action was taken, the family claimed.
Police were trying to identify the culprits with the help of the woman's colleagues, CCTV footage of the company and other nearby factories.
Meanwhile, National Commission for Scheduled Caste (NCSC) Vice Chairperson Raj Kumar Verka visited Noida and met parents of the victim and directed the police to treat the matter under the SC/ST Act as the woman was Dalit.