NEW DELHI — In a landmark decision intended to clarify the bounds of marital "mental cruelty," the judiciary has formally confirmed that a man's sister cannot be legally classified as his second wife, addressing the most sensational allegation of a 28-year marriage.

The ruling builds upon a robust track record of the Delhi High Court being forced to legally define joint family dynamics. According to court records, the decision follows similar rulings in 2023 and 2025, where the court had to grant divorces to husbands whose partners utilized false threats and demanded they completely abandon their mothers and sisters.

"We are frequently asked to translate highly charged emotional rhetoric into working legal definitions," said a court official, reviewing the case files that weighed the wife's claim of a 'second wife' against the husband's evidence of a standard sibling relationship. "The court has now set a firm precedent that possessing a sister does not meet the threshold for marital infidelity."

Legal experts praised the ruling's attempt to navigate the complexities of domestic disputes, noting it will save the Indian justice system from prolonged litigation where the truth is entirely obscured by in-law dynamics.