Take big bowl filled with water, put the val papdi shenga in the water and wash it.
Cut val papdi shenga into 2 to 3 pieces.
Take a pot, put it on medium heat. Add oil, let the oil heat up. Add mustard seeds, cumin seeds, let it sputter. Add cut onions, let the onions becomes golden brown. Add ginger garlic paste and cook it for 1 minute.
After cooking ginger garlic paste, add red chili powder, turmeric powder, coriander powder, garam masala, let it cook 1 minute. Add cut tomatoes and salt to taste and let it cook the tomato until it is soft.
Add cut val papdi shenga to cooked masala and mix well.
Add water and cover pot with lid, and cook for 20 minutes on medium heat, stir in between the 5 minutes intervals.
After 20 minutes, take one or two cooked val papdi shenga in spoon and press it with finger when it is soft to touch, that means val papdi shenga ready to eat. Garnish cooked val papdi shenga with coriander leaves.