Mash banana using a fork, add yogurt, salt, sugar, and combine well. Add cumin, baking soda
Add flour part by part and knead until you get a soft pliable dough.
grease the dough, cover, and rest for 8 hours at room temperature.
Once fermented, add tsp of flour and kneed the dough once.
Make lemon sized balls, and roll them into slightly thick circles.
deep fry the buns in hot oil. Fry the buns on both sides on medium flame.
fry till banana poori turns dark golden brown in color both sides.