Sri Sadananda Swamikal was the first one, who lighted the first Hindu Matha Parishat in Cherukolppuzha. He encouraged his disciple to publish out dated philosophical books of Sanathana Dharma. He believed in Hindu Unity and stressed to that point and worked for it throughout his life.
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I am surprised about the usage “out dated philosophical books of Sanathana Dharma.” in synopsis of Sreemad Sadananda Swamikal Jeeva Charitram. If it is by some kind of error, it may kindly be corrected as all of us know that Sanatana Dharma is very relevant even today.