मैराथन क्लास | सिंधु घाटी सभ्यता (एक ही वीडियो में) | UPSC CSE 2026-27 | Chanchal Kumar Sharma Description : This marathon class covers the entire Indus Valley (Harappan) Civilization in one comprehensive and revision-friendly session. From town planning to economy, society, religion, art, and decline, everything is explained exactly as required for UPSC Prelims and GS-I Mains. No scattered facts. Only high-yield concepts + Prelims traps + Mains value-addition. What this video covers: • Discovery and chronology of the Indus Valley Civilization • Major sites: Harappa, Mohenjo-daro, Dholavira, Lothal, Kalibangan • Town planning, drainage system & architecture • Economy: agriculture, trade, seals, weights & measures • Social life, religion & burial practices • Art, pottery, beads & sculpture • Science & technology of Harappans • Script and its unresolved nature • Causes of decline – major theories • Comparison with Mesopotamian civilization • PYQ-oriented facts & common UPSC traps Why this class matters for UPSC: Indus Valley Civilization is a high-frequency Prelims topic and a foundation for Ancient Indian History. This one-shot marathon helps you revise fast, avoid confusion, and secure easy marks. Best for: UPSC CSE 2026–27 | State PCS | Ancient History revision | Prelims-focused aspirants #IndusValleyCivilization #HarappanCivilization #AncientIndia #UPSC2026 #UPSC2027 #UPSCPreparation #UPSCPrelims #GS1History #IndianHistory #Harappa #Mohenjodaro #Dholavira #Lothal #HistoryForUPSC #IASPreparation #UPSCNotes #UPSCStudy #UPSCJourney #UPSCIndia #CivilServicesExam #cksacademy #upsccksacademy