Former head of Rashtriya Swayamsevak Sangh (RSS) K Sudarshan died of heart attack in Raipur in Chhattisgarh early on Saturday, an official said. He was 81.
RSS's former chief K S Sudarshan casts his ballot at a polling booth, in Nagpur.
He is survived by a brother.
Sudarshan had been ailing for sometime and was under care of an attendant.
According to Vikas Telang, an official of RSS headquarters, Sudarshan had gone for his usual morning walk Saturday and later returned to the RSS headquarters in Raipur.
Some RSS volunteers noticed that Sudarshan had fallen down while meditating in his room, said Telang.
Believing him to be asleep, they shook him but he was motionless. Later, a medico was summoned who confirmed Sudarshan dead.
His body shall be brought to the RSS national headquarters in Nagpur on Saturday evening and kept in its Reshim Baug premises, said Telang.
The last rites will be conducted in Nagpur on Sunday afternoon, he added.
Sudarshan led the RSS between 2000-2009, before seeking voluntary retirement due to health problem.
In August this year he went missing as he lost the way during his morning walk in Mysore. He was found taking rest under a tree after being exhausted on the road leading to Lalith Mahal helipad.
Sudarshan stepped down as RSS chief in 2009.
(With inputs from Agencies)