00331nam a22001337a 450000500170000002000220001704100120003908200160005110000280006724500400009526000430013530000080017836500110018620260617090643.0  a978-93-49036-43-7  aEnglish  a001 R26 NAT  aNational Academic Press  aTNPSC-Group I.II,III & IV Geography  aChennaibNational Academic Pressc2026  a224  b445.00