Indian stewed split red lentils with zucchini

Based on Shubhra Ramineni’s Healthy Indian Vegetarian Cooking, available at Amazon: https://www.amazon.com/dp/0804843112/ref=cm_sw_r_sms_awd_1ggbxbK87A26M. We added two small zucchini (cut into ½ inch thick wedges) but otherwise did not modify the recipe. (Apr. 2016)