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| Platform | Content | Download Format | |---------|---------|----------------| | | IGNOU, NCERT-based courses | Video download enabled | | e-PG Pathshala (INFLIBNET) | Humanities, Social Sciences | MP4 download | | NCERT Official | Science, Social Science (Class 6–12) | YouTube + direct links | | CEC (UGC) | Political Science, History, Economics | Video download allowed | | NPTEL | Civil Engg., Environment, Public Admin | Download enabled for most | YouTube is the primary hub for free content