00515nam a2200145Ia 4500008004100000040001700041082002500058100003100083110007000114245005700184260002700241300000900268650006800277700002400345190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta923.754bN277I  aVidyasagar, Ishwar Chandra  aNational Council of Educational Research and Training (New Delhi) 0aIshwar Chandra VidyasagarcIshwar Chandra Vidyasagar  aNew DelhibNCERTc1971  a80p.  aVidyasagar, Ishwar Chandra-Biography; Educators-India-Biography  aChakrabarty, Syamal