Sarbajit there is another book by the same Samaren Roy where this aspect Tagore s Pirali caste is explored in great detail unlike his 300 years of Calcutta book p 88 This is Bengalees Glimpses of History and Culture published 1999 ISBN 8170239818 At page 55 though the evidence was wholly circumstantial The allegation was a means to secure the social boycott of the Tagores who worked for a Muslim potentate on such a flimsy allegation There is also the 1896 source which refutes all these allegations J N Bhattacharya 1896 pg 123 who identifies the leading Brahmin personage who formed a party for degrading the Tagores but the Tagores were not to be denied but continued to grew in prosperity fame and numbers Bikash 69 50 160 154