Special judge, Sanjay Kumar Dey awarded life sentences to brothers Devendra and Rajendra for killing Lata (18) on October 28, 2008, in Rewara village of Gunnaur area here.
Both of them had opened fire on their father Ramnath, but the bullet hit Lata who died on the spot.
The court also imposed a fine of Rs 10,000 on the accused.
