DELHI — Last week, a helicopter appeared over the green, folded hills of Ukhrul in India’s north-eastern state of Manipur.By the time it touched down on a makeshift helipad outside Somdal village,DELHI — Last week, a helicopter appeared over the green, folded hills of Ukhrul in India’s north-eastern state of Manipur.By the time it touched down on a makeshift helipad outside Somdal village,


