BHUBANESWAR: People have been facing difficulties during the last three days for cancellation of several long-distance trains due to 'rail roko' staged by members of the Adivasi Kurmi Samaj in West Bengal demanding scheduled tribe (ST) status.The protestors have staged rail roko at Khemasuli station in the Kharagpur-Tata railway section of Kharagpur division and at Kustaur station in Adra-Chandil...