9Pinker, S. 1995. The Language Instinct. New York: Harper Perenial.
10Sawhney, C. and P. K. Agnihoti. 1998. Acquisition of Hindi as a second language by Tamils in Deli: a social psychological perspective. In Agnihotri, R. K. , A. L. Khanna and I. Sachdev, eds. , 119 -29. Social Psychological Properties on Second Language Learning. New Delhi, etc. : SAGE Publication.