The idea of the National Water Grid (River Linking Project) was advocated by
- AK. L. Rao
- BNarashima Rao
- CAtal Behari Bajpayee
- DNarendra Modi
Solution & Step-by-step Explanation
Dr. K. L. Rao, an eminent engineer and former Union Minister of Irrigation and Power, initially conceived and strongly advocated for a National Water Grid in 1972 to link major rivers like Ganga and Kaveri.