Thatte gravitated to Indian philosophy, his main interest being its rational and scientific content and wrote his first book in 1994. He undertook an in-depth exploration of Dnyaneshwari and accomplished an English transcreation of the verses written in an ancient Marathi language. Thatte wrote columns in Loksatta and Maharashtra Times on the significance of India's ancient literature in the context of modern discoveries. He addressed the 3rd International conference on Vedas (Vedavidnyan) at the Deccan College Post-Graduate and Research Institute in Pune in 2018. Thatte was a founder-trustee of “Swacchata Nyas”, a trust created to improve the environment in hospitals of Brihanmumbai Municipal Corporation. Thatte fought to protect a Public plot reserved for a garden which was being usurped for a parking lot by a Multinational corporation with the help of a local neighborhood association, Thatte cleaned up and maintained a beach at Mahim, Mumbai. He adopted a Zero waste system through recycling and composting of waste in his residential society to win an award from Brihanmumbai Municipal Corporation, India.