Stuffed Mixed Dal Cheela

Name: Stuffed Mixed Dal Cheela
Ingredients: 2 tbsp. chana dal (Bengal gram); 2 tbsp. split moong dal (green gram); 2 tbsp. masoor dal (red lentil); 2 tbsp. tuvar dal (pigeon pea lentil); 2 tbsp. split urad dal (black gram); to taste salt; 1/2 tsp. turmeric powder; 1 tbsp. coriander powder; 1 tsp cumin powder; handful coriander & mint leaves, chopped; 2 onions, chopped; 2 tomatoes, chopped; 2 green chilies, chopped; 2 tbsp. flaxseed; 2-3 tbsp. coriander stems, chopped; as needed oil to shallow fry; 1/4 cup Idli podi / chaat masala; as needed green chutney / pickles / yoghurt to serve