Additional District and Sessions Judge Udit Chowdhury yesterday pronounced the sentence to Dilip Guha, police inspector for raping the girl after Guha was convicted.
The court further ordered three-year imprisonment for Chowdhury's domestic help Minati Das who was convicted of aiding in the rape.
Minati had handed over the girl to Dilip in October, 2010, who subsequently raped her.
The victim