| Parameter | C.N. Shankar Rao | Ram Ahuja (Indian Social System) | S.C. Dube (Indian Society) | |-----------|------------------|----------------------------------|-----------------------------| | | High (UPSC, BA, MA) | Medium (Mostly UG) | Low (Theoretical) | | Clarity | Excellent (flowcharts) | Good | Dense language | | Coverage of contemporary issues | Yes (CAA, NRC, #MeToo) | Limited | No | | Preferred for | Quick revision & answer writing | Basic concepts | Research perspective |