Debaprasad Bandyopadhyay  Indian Statistical Institute March 3, 2001 STUDIES IN SOCIOLINGUISTICS AND APPLIED LINGUISTICS, pp. 87-106, R. Kumar, ed., Booklinks, 2001  Abstract:       This paper explores, from the perspectives of different inter-disciplines, the genesis of the historical a priori, "Mother Tongue" (MT) instigated by a sexist question, "Why is it not Father Tongue?" It at a time…