Rinse any millet / kodo millet and soak in water for 10-15 mins . Drain water and keep aside
Take a pan add oil and heat. Add chana dal, urad dal and mustard. Fry till they turn golden brown and mustard splutters. Later add curry leaves, onion and green chilli. Saute for a minute or two till the onion turns slight pink. Add chopped tomatoes.
Add finely chopped mixed veggies. Add some salt, turmeric and saute for 3-4 mins.
To that add water.Keep the flame on medium high and bring to boil.
When water starts to boil add millet, lemon and remaining salt. Mix well. Pressure cook for 2 whistles or you can cook in low flame for 10 -15 mins. Once pressure releases, open the cooker , add coriander leaves and grated coconut (optional) .