Rakhi was the eldest of three siblings. The police are investigating the circumstances of her death, and the immediate trigger could have been an argument with her 14-year-old sister on Saturday night, the police said. They have a brother who is 17.
"There has been a lapse in investigation in the robbery case. Precious time has been wasted, but we will do our best to solve the case. The SHO of Highway police station, Girish Chandra Tewari, has been suspended and the probe has been given to crime branch with instructions to ensure early breakthrough," Mr Mamgai said.
Uttar Pradesh minister Shrikant Sharma said the state government will provide financial assistance of Rs 5 lakh to the family.
After the incident, the couple's children, relatives and neighbours held demonstration and sat on hunger strike demanding immediate action in the case. However, the police haven't been able to locate the killers.
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