Special Judge Vimlesh Tanwar convicted Raj Kumar (husband), Shana Ram (father-in-law), Prakasho Devi (mother-in-law) and Rori Devi (sister-in-law) of killing Aasha Devi in 2011 and pronounced the verdict on them.
The court also imposed a fine of Rs 5,000 on each of them.
According to prosecution, the victim, who was married to Raj Kumar in 2003, used to be harassed by him and other in-laws.
On October 7, 2011 Mahender Kumar, the father of the deceased received an information that her daughter had died.