Pune Aug 25 PTI Noted researcher and co-founder of the Shramik Mukti Dal Dr Gail Omvedt died of prolonged illness in Kasegaon village of Maharashtras Sangli district on Wednesday family sources said She was 81 As a student in the US Dr Omvedt took part in various movements such as anti-war agitations After completing her post-graduate studies in America she came to India and started her studies on various social movements and the work of Mahatma Phule During her doctoral research she wrote her thesis on Non-Brahmin Movement in Western India and started working for the cause of Dalits women and other deprived classes Dr Omvedt co-founded the Shramik Mukti Dal with her activist husband Dr Bharat Patankar and became an Indian citizen in 1983 The activist-researcher penned more than 25 books including Cultural Revolt In Colonial Society - The Non-Brahmin Movement in Western India Seeking Begumpura Buddhism In India Dr Babasaheb Ambedkar to name a few Dr Omvedt is survived by her husband daughter son-in-law and granddaughter Condoling Dr Omvedts death Chief minister Uddhav Thackeray said her contribution to various social movements in India Sant literature folk traditions and her work on womens rights will remain noted PTI SPK ARU ARU