First we have to make the besan pola.mix besan,slice onion,chopped green chili,pinch of turmeric ,salt,coriander leaves,eggs,curd ,chopped ginger,garlic and add water gradually to make a smooth batter..now fry them like omelette ,,fold them and cut into pieces..
In a kadhai heat oil,fry the raw bananas with turmeric ,salt...keep them aside..add radhuni ,cumin seed,chopped garlic,green chili and fry little...add potato ,salt,turmeric.fry until soft..add little water,turmeric powder,,coriander powder,red chili powder and cook until oil separates. Now add fried raw bananas and required water...when it starts boiling add the pieces of besan polas..cover the lid for 5 mnts..check salt and sugar..add coriander leaves ..serve hot with rice