Reuters: Golok Das, a farmer in Assam, is happy with the harvest produced by his main 6-hectare farm. But he'd love to sell another 4-hectare plot, just half a kilometre away, even though it's equally fertile. Why? It sits on the other side of a barbed-wire fence marking the Bangladesh border, and that means he can't irrigate it. The fence was built in 1987 to prevent illegal migration from Bangladesh to India. It traces a line about 150 yards inside the actual border, on Indian land, since no treaty agreement...