Additional Sessions Judge of Dhalai district, Arindam Paul, awarded the death sentence to Rashida Tripura (25) and Jhani Tripura(20) for the crime committed at Raishyabari in the district on February 7 last year.
He also slapped a fine of Rs 20,000 each on the two men.
The duo had forcibly taken away the girl to a jungle near her house, raped and murdered her.