The 15-year-old girl's family has alleged that she was set ablaze by an uncle and acquaintances of the man who raped her three months ago.
Thousands of Bangladeshis, across ages, are protesting on the streets and online after a number of cases of sexual violence over the past two months led to an eruption of rage.
The accused, one of whom is a former village head, are absconding.
The police have said that it appears to be a case of murder, like they had in the Hathras case.
The woman had said in 2019 that Chinmayanand had the authorities "in his pocket" and had told her no one would be able to help her.
The Uttar Pradesh government's claim comes amid outrage and protests over the death and alleged forced cremation of a Dalit woman in Hathras.
Facing criticism, the state police has now claimed an 'international plot' to defame the Yogi Adityanath government and filed 19 FIRs.
NCW chief Rekha Sharma has said there seems to be 'some confusion' in the matter.
Ruth Manorama, who founded the Federation of Dalit Women in 1995, discussed the crimes in Hathras, endemic casteism and fighting back.
A 15-year-old girl was allegedly kidnapped and raped in the Sikandarpur Police Station area.