Additional District Judge Masood Ali Siddiqui awarded life sentence to Hariram Singh and his sons -- Than Singh, Munendra, Rajiv and Devpal -- for killing farmer Tikam Singh on March 12, 2012, in Karrgaon village in Vazirganj area.
The FIR was registered in the matter on March 13, 2012 by victim's son Kunwarpal.
The court has also imposed a fine of Rs 20,000 on each of the accused.