NEW DELHI, Feb. 17 -- Dossiers for global circulation on Islamabad's role in the Pulwama attack, tighter visa rules for Pakistani citizens coming to India for medical treatment, and a 200% increase in duties on goods imported from the country are part of New Delhi's plans to tighten the screws on its neighbour over Thursday's terror attack that left 40 Central Reserve Police Force (CRPF) personnel dead....