They are among the notable, far-ranging Indian dining spots around town, many at the higher tiers of the price spectrum. Collectively, Indian restaurants are becoming something of a power dining scene, drawing customers from the upwardly mobile population of New Yorkers with roots in the subcontinent. To this already impressive list, you can now add Kanyakumari, which dishes out delicacies from India's 4,700-mile coastline at the more easily accessible Union Square.