First of all take rava in a bowl then add in curd, salt and cooking soda, now add water as per required and make thick batter from it, keep batter aside for 5 minutes.
After 5 minutes check the consistency if batter is more thick then add little water so you can make nice base of pizza.
Now take a non stick tawa and grease with oil, now but batter on tawa make round shape of pizza from batter, make sure that pizza base should be medium thick, now put oil at the edges and let the pizza base cook.
When base is nicely cooked turn the side, now apply tomato ketchup on top then put 1 cube of processed cheese on it.
Now put the toppings one by one, first put red green and yellow capsicum then onion, now put 1 cube of processed cheese on topping then sprinkle chilli flakes on it.
Now cover the pizza with lead and cook it till cheese melts.
When cheese get melted turn the heat off and take out the pizza in a serving plate and enjoy.