00515nam a22001697a 450000500170000001000150001702000260003203500140005803700090007208200080008124500690008926000390015827000770019730000250027450000310029970000150033020250424164510.0  aENG-144751  a9788196935306c450.00  aEN-128283  bDBAD  a500  aTo the Point General Science & Environment/cEdited by N.N. Ojha  aNoidabChronicle Publicationc2024  aA-27D, Sector 16bNoidae201301k0120-2514610/12minfo@chronicleindia.in  a471 pages.c28cm(pb)  aFor All Competitive Exams   aOjha, N.N.