GUWAHATI, May 5 ? The size of migration of people to Assam between 1951 and 1991 was 28,75,492 and of this, the size of the illegal foreign migrants to the State, during the period, was 12,98,754. This was revealed by a study conducted by the Omeo Kumar Das Institute of Social Change and Development (OKDISCD) here. The study entitled ?Migration to Assam : 1951-1991?, was conducted by a team of experts comprising Prof Atul Goswami, Prof Homeswar Goswami and Dr Anil Saikia on behalf of the OKDISCD. The study, however, revealed that during the said period the estimated number of total foreign...