Begusarai Sessions Judge Parshuram Shukla sentenced Pappu Tanti to life imprisonment and imposed Rs 20,000 as fine on him for raping the minor on April 10.
The victim's father lodged a case on April 15 following which Tanti was arrested from Kanpur on May 2.
The accused was produced before the Begusarai court on May 3 and chargesheet against him was submitted the very next day.
The court held hearings on a daily basis and pronounced the quantum of punishment this afternoon after holding him guilty yesterday.