In a separate incident, Uttarakhand Police has arrested four including mother of 15-year-old girl who allegedly sold her daughter for Rs 1.5 lakh, but filed a false abduction report last month with the police after failing to receive the full amount, Circle Officer Nitin Lohani said, adding that based on the complaint, a case was registered at the Rajpur police station under Section 137(2) of the BNS.