Nagesh D. Sonde- Author of Sri Madhva''s Commentary and Summaation on Bhagvad Geeta, Isha & Kena, Katha Upnishads, Mandukya Upnishads in Munbai India| Krishana a study based on Mahabharata | Sri Shankaracharya Sadhana Panchakam| Dakshinatya Sarasvats |Sri Ganapati Atharva Sheersha | Asmi - Teaching of Gautam Buddha - Ramana Maharshi| Rigveda - A Study on Forty Hymns|Commenteries of Sri Madhvacharya| Philosophy of Shri Ramana Maharshi.. Nagesh Sonde. Essence is sourced from the Heart; Form is sourced from the seven elements Earth, Water, Fire, Air, Space, Mind, intellect and I-sense. Sri Madhva''s Commentary and Summaation on Bhagvad Geeta in Munbai India,Krishana a study based on Mahabharata.