^What south Indian food are you talking about
List out i'll try to find out if possible.
I usually prepare the food of which i can find the calories easily hehe. If you had checked out my diet, i can list out the appx. calories of all. and i am south Indian too
to find your appx. calorie intake use the links over here
daily calorie requirement - Google Search , will give you a rough idea. After that you have experiment and find it out.