Wash the toor dal and boil in a pressure cooker with 1 cup of water.
Place a vessel over medium heat and heat a tablespoon of oil.
Add mustard seeds, black gram, cumin and red chili. When the mustard seeds start to sputter, add curry leaves.
Add chopped ginger, green chilies and chopped onions. Fry them until it turns golden color.
Add teaspoon of turmeric powder and red chili powder. Sauté them for few minutes.
Now, add methi leaves and salt cover the lid. Let them cook for a while.
Meanwhile blend the tomatoes to a puree consistency.
Check the methi leaves if it is cooked and add blended tomato purée and stir them well. Again, cover the lid and allow to cook for a while.
When it starts to boil, add cooked toor dal and salt.
Add little water if required to get the right consistency.
Continue to cook until it boils and garnish with Cilantro leaves.