The autobiography – ‘Apprenticed to a Himalayan Master: A Yogi’s Autobiography by Sri. M – narrates the spiritual journey which 19-year-old Mumtaz Ali Khan took to the Himalayas to return as Sri ‘M’, a yogi with profound knowledge of the Upanishads and deep personal insights.’ Sri M, as he is popularly known, is a social activist, educationist and a crusader for inter-religious harmony with a deep knowledge of world religions. About Sri. M The Satsang Foundation was founded by Sri M to assist the underprivileged to lead lives of self-respect, self-reliance and peace. He runs a free school ‘Satsang Vidyalaya’ for tribal children of Madanapalle in Andhra Pradesh. He also runs The Peepal Grove School at Sadum in Andhra Pradesh which has innovative and life-enhancing methods of teaching. Then there is Manav Ekta Mission that works towards spreading the oneness of all religions. The bonus for those interested in the secrets of yoga, meditation and sankhyan metaphysics is that Sri ‘M’ is