Police said the 79-year old Kerala-based seer Kesavananda Bharati Sripadagalvaru died at the Edaneer Mutt in Kasaragod due to age related ailments. The case in which Bharati had challenged a Kerala Land Reform Act nearly four decades ago set the principle that the Supreme Court is the guardian of the basic structure of the Constitution and the verdict involved 13 judges the largest bench ever to sit in the apex court.