Make a dough of wheat flour,salt,oil & required water.Cover it with a wet cloth & keep aside.
For Manchurian, at first boil cauliflower cubes with water & a spoon of salt.
Make a thick batter of gram flour, corn flour,salt, red chilli powder & turmeric powder.
Now dip the boiled cauliflower cubes in batter & deep fry it.
For Manchurian gravy heat 1tspn oil,add chopped onion & ginger garlic paste.Saute it for a while.
Add chopped capsicum, spring onion, salt, pepper powder, all sauces & cook it for 5 minutes.
Mix 1tspn corn flour with 2tspn water & add it to the gravy.Now add fried Gobi in it & toss it in high flame for 4 to 5 minutes.If needed add some tomato chilli sauce & switch off the flame.
Now take a small portion from wheat dough,roll it & make chapati using oil or ghee.
Now take a plate, place chapati on it, spread some tomato chilli sauce in the middle portion of the chapati.Put 3 to 4 Gobi Manchurian & some heavy also
Add chopped cucumber, onion & sprinkle chat masala.If you want extra spice,add chopped green chilli.