Mix Finger millet(Ragi)powder & cornflour and keep aside.
Put butter/refine oil in the pan and heat it on low flame till butter melts/oil becomes hot.
Add garlic pods in butter/ oil, add grated ginger, stir fry for 1 minute in a low flame.
Add all the chopped vegetables and sweet corn , stir fry for 3 to 4 minutes on a medium flame.
Add vinegar , black pepper powder , salt and so ya sauce in to it stir fry for another 3 to 4 minutes.
Add water to the pan. Cook them on low flame till vegetables are cooked well.
Add Finger millet (Ragi ) and corn flour with water in a bowl and mix it till gets uniform consistency without lumps and pour the watery Finger millet (Ragi )corn flour into the vegetable mix.
After that e verything is stirred well and allowed to cook till it reaches a thin soup consistency over low-medium heat.
When soup is ready ,switch off the flame & add black pepper powder and mix well.
Add Tomato sauce, black salt and chilli sauce ( as per taste )& ser ve hot. (Note-you can add spring onion , coriander leaf , green pea, cabbage , cauliflower, mushroom, palak etc as per local need and preference)