Complex sentence: The mantle of Heggadeship fell on the shoulders of Shri Veerendra Heggade at the age of 20, on October 24,1968 when he became the 21st Dharmadikari of Shri Shetra Dharmasthala.
Split into simpler sentences: The mantle of Heggadeship fell on the young shoulders of Shri Veerendra Heggade at the tender age of 20, on 24th October 1968. When he became the 21st Dharmadikari of Shri Shetra Dharmasthala.