The cocktails come in four variations: Chennai Sailor, left and third from left, made with gin, Gentian liqueur, celery, rose and Jamaican No. 2 bitters from Bittercube; Friendship League, second from left, made with Pisco, strawberry, rhubarb, mint and Jamaican No. 1 bitters from Bittercube; Hindustan Highball, right, made with two different brands of Indian whisky, seltzer and lemon; and Jamun Kalla Khatta, front, made with ginger tea vodka, jamun — or the Java plum, which can be found in India — kokum, a tart fruit that can also be found in India, Himalayan black salt and orange bitters.