Unripe Mango with Pigeon Peas

My dear friend R. J., more affectionately called Molu, remembers this dal from his boyhood days at a boarding school in Dehradun, a city nestled in the Himalayas. Proud agricultural center for world-renowned basmati rice, green and black tea, and sweetly succulent lychee fruit, it is no wonder that this mountain resort became a mecca for the British rulers during the oppressive summer months. I especially enjoy the flavors in this dish, made sweet-tart by stewing unripe mango with pigeon pe