Additional sessions judge Kamal Joshi also imposed a fine of Rs 5,000 on Rajkumar Rajput (36), who was accused of hacking his brother's wife, Bhuribai alias Anita, to death on July 1, 2012.
Rajput and Anita had had a quarrel over distribution of prasad on a religious occasion, additional public prosecutor Badri Vishal Gupta told reporters.
Rajput's brother and the victim's husband, Malkhan Singh, and two other relatives, Mardan Singh and Raghunath Singh, turned hostile during the trial.