00348nam a22001097a 450000500170000002000180001708200170003524501100005226000300016230000150019265000310020720260722141835.0  a9789357296649  a300 NAT (TB)  aSamaj ka adhyayan: bharat aur uske aage (HIN) b: samajik vigyan ki pathyapustak: Kaksha 7 bhag 1c/NCERT  aNew Delhi:bNCERT,c2025.  axvi, 296p.  aSocial Science - textbook