India, June 28 -- The 25-year-old woman whose body was found buried in a pit outside her husband's house in Faridabad was murdered by her in-laws as they suspected she was planning to file for divorce, police said on Saturday, adding that the family feared a legal separation would force them to pay alimony and maintenance, prompting them to conspire and carry out the killing.

The woman's 25-year-old sister-in-law has now been arrested for her role in the crime. Her father-in-law and mother-in-law were arrested previously. Her husband is still on the run, police said.

"After Tannu Rajput was murdered, her sister-in-law Kajal Singh came out of the house at 4am on April 22 to ensure no neighbours were watching. She then signalled her fathe...