New Delhi, Feb. 17 -- More than 21 years after a 14-year-old girl was hacked to death in her Nangloi home, the Delhi Police crime branch has solved the murder case by arresting an elderly couple who had managed to evade the law for over two decades, senior officers said on Monday.

Police said the couple were living in hiding in a village in Bihar's Banka district, from where they were arrested last week, closing one of west Delhi's most haunting cold cases. Senior officers said the couple confessed to killing the minor girl to settle scores with her father, who allegedly owed them wages for three to four years, amounting to lakhs of rupees.

Police identified the accused as Sikander Singh alias Sukwa, 60, and his wife Manju Devi, 55, and...