In a pan add water and all the above-mentioned veggies. Boil it adding salt.
Apart from these veggies you can add any vegetable like cabbage or whatever vegetable you want to add just make sure it's thinly chopped allow it to come to a boil then add grind sweetcorn mix it properly again let it come to a boil. now add corn kernels followed by finely chopped spring onions then sugar and crushed black pepper powder and red chilli flakes and allow it to boil.

At the mean time make a slurry adding water to 2 tsp of cornflour mix in the soup mix it very well once again boil it and you are done adjust the salt and pepper according to your taste. Serve hot with some cream over it.(Optional).