00539nam a2200169Ia 4500 190329s9999||||xx |||||||||||||| ||und|| 8174800166 NITIL NITIL 21st 925 S456M Sehgel, Narendra K Memoirs of Ruchi Ram sahni pioneer of science popularization of Punjab Narendra K Sehgal and Subhodh Mahnti New Delhi Vigyan Prasar 1997 xxvi, 189p. RUCHI RAM SAHNI-BIOGRAPHY Mahanti, Subhodh, jt. auth. BKS 76092 76092 0 0 DDC 0 0 NITIL NITIL 2019-04-08 0 925 S456M C16951 2019-04-08 00:00:00 2019-04-08 BKS