Below from a blog
Dr. Suresh Chandvankar worked with Tata Institute of Fundamental Research, Mumbai, [1976-2012] but is passionate about old gramophone records. He is the Honorary Secretary of the Society of Indian Record Collectors, and is the Editor of The Record News, the annual journal of the Society. Dr. Chandvankar has contributed Marathi and English articles on the 78 rpm era to various periodicals, newspapers and websites. He also conducts listening sessions and delivers lectures at various cities and towns in India and abroad.