Drain lentils in simmering basket reseving liquid, set aside.
Place ginger into TM bowl, chop for 3-4 secods/speed 7. Set aside. Place onion and garlic into TM bowl chop for 3-4 seconds/speed 7. Add vegetable oil to TM bowl, saute 2mins/100 degrees/speed 1 MC off. Add turmeric, paprika, chili powder to bowl and cook for a further 20 seconds/100 degrees/speed 1. Add tomatoes and ginger to bowl and cook 10 mins/90 degrees/speed 1. Add tamarind water and reserved lentil water to the bowl. Cook 15 mins/90 degrees/speed 1. Add lentils ,garam masala, sugar and cumin to bowl and heat through for 3 mins/90 degrees/Reverse/Speed 1. Serve in bowls with a squeeze of lemon and coriander sprinkled on top.