Sri Shanmuga Desiga Gnanasambandha Paramacharya Swamigal, the 26th head of Dharmapuram Adheenam, one of the ancient Saivaite mutts in the country, died on Wednesday due to old age related ailments, the mutt said. The 95-year old highly revered pontiff of the mutt in the district was admitted to a private hospital in Thanjavur a few days ago and the end came at 2.40 pm on Wednesday, it said in a statement.