For Batter, mix all purpose flour, corn starch, rice flour, salt, red chilli power, Ginger garlic paste.
Start adding water a little by little
Once your batter's consistency is fine, leave it aside
Chop cauliflower and potatoes in cubes and half boil them.
Drain the water and mix the cauliflower and potatoes in the batter
Once the oil is hot, put cauliflower and potatoes one by one into the oil for its first fried round
Once all the cauliflower and potatoes are fried, put them aside
Now take a pan and add some oil and add onions
Once the onions are a little golden, add chopped garlic and Ginger and add green pepper
Once the green pepper is start start to getting soft, add all the sauces and salt and chilli power and mango powder.
Add the food colour
Now fry the cauliflower and potatoes one more time and make it crispy
Now add them in the pan with the onion mixture
Mix it well and serve hot.