The correct answer is 1971. Explanation & Key Takeaways: • The White Revolution in India started in the year 1971. • The White Revolution was a rural development program initiated by India's National Dairy Development Board (NDDB) in 1970, aimed at increasing milk production and making India one of the largest milk producers in the world. • The revolution led to the growth of the dairy industry, improving the livelihood of millions of rural farmers and transforming India's dairy sector. • The program focused on cooperative dairy farming, distribution of quality milk, and implementing effective milk production techniques. Related Concepts: • The White Revolution is also known as Operation Flood. • Verghese Kurien, known as the Father of the White Revolution in India, played a significant role in its success. • The program helped to establish a national milk grid, reducing seasonal and regional price variations and ensuring that consumers could access milk consistently at stable prices.