Sahni, Ruchi Ram, 1863-1948. Memoirs of Ruchi Ram Sahni : pioneer of science popularisation in Punjab / introduction, explanatory notes, index, and overall editing by Narender K. Sehgal, Subodh Mahanti. - New Delhi : Vigyan Prasar : c1994. - xxiv, 191 p. : ill. ; 25 cm. Gratis. Includes bibliographical references and index. ISBN: 81-74800166 (pbk) LCCN: 94901560 Subjects--Personal Names: Sahni, Ruchi Ram, 1863-1948. Subjects--Topical Terms: Science news--India--Punjab.Scientists--Biography.--India Dewey Class. No.: 509.2 SAH