(SUBHEAD) Amritsar: Earlier Punjab brought Green Revolution to make India self-sufficient in food requirements and now it is this agrarian state alone that can bring the everlasting Green Revolution” for a sustainable agriculture for the benefits of the farmers. This was stated by renowned expert on agrarian issues Dr. Davinder Sharma during a seminar on ‘Agricultural Sustainability in India's Grain Storage and its Environmental Perspectives’ at Khalsa College here today.