Soak chana in water overnight. drain and add it to pressure cooker, Add in water, tea bags, salt, cardamom, cinnamon, cumin. Now pressure cook for 5 whistle. Simmer the flame for 10 mins. Turn off the heat and let the steam escape all by itself.
Take a ladleful of chana in a blender and puree till smooth.
Heat oil in a pan. Add in onions, chillies and ginger and mix well.
Add in tomatoes and cook till mushy,
Add in spice powders, salt and mix well.
Add in cooked chana with the liquid. Add the pureed chana and mix well.
Cover and simmer for 10 to 15 mins.
Add coriander leaves.