The two girls, who were cousins and aged 14 and 15, went missing from their house on the night of May 27 and their bodies were found hanging from a mango tree in a village in Ushait area the next morning.
The postmortem report of the two girls confirmed that they were raped before murder.
UP authorities today sacked two constables in connection with the crime.
Of the seven wanted in the case, three have been arrested so far.
