Patel says regional co-operation could be an effective tool in increasing trade, relieving energy shortages, improving connectivity, increasing investment, and promoting peace and stability.
The SAARC Summit is being held in New Delhi on April 3-4.
Least Integrated
World Bank says according its study South Asia: Growth and Regional Integration, the region is the least integrated area in the world.
Intraregional trade is less than 2 percent of GDP, compared to more than 20 percent for East Asia.
Annual trade between India and Pakistan, the bulk of which is routed through Dubai, is currently estimated at one billion US dollars, but could be as great as high as 9 billion dollars.
In addition, cross-border investments, and the flow of ideas, crudely measured by the cross