The Eighth Five-Year Plan of India is the correct answer. It was the first plan, initiated from 1992 to 1997, that officially recognized human development as the core of all developmental efforts. The target of this plan was poverty reduction and employment generation. The focus on human development represented a shift from a mere emphasis on economic growth, acknowledging the importance of enhancing the quality of life and well-being of individuals.

The other options are incorrect. The third, launched from 1961 to 1966, focused on agriculture and improving production. However, it was affected by several natural calamities. The fifth, spanning between 1974 to 1979, targeted removal of poverty (Garibi Hatao). Meanwhile, the sixth plan, from 1980 to 1985, aimed at a significant growth rate and focused on improving the standard of living.