'Unravelling Bhakra,' a study that assesses the role of what was once hailed as "the temple of resurgent India," explodes the myth of India's first showcase dam's contribution to foodgrains production.The study, done over three years by the Badwani-based Manthan Adhyayan Kendra, points out that Punjab and Haryana had extensively developed agriculture, irrigation and ground water systems that were already contributing to the country's food production before Bhakra became operational in 1954.The Green Revolution, which advocated use of hybrid seeds and chemical inputs, came in 12 years later