Question

why is south indian dishes easily digestive

Answer 1

South Indians eat mostly rice.
Rice is rich in carbohydrates. It also contains fibres.They do not use much oil in their dishes.
So, it is easily digestible.

Answer 2

South indian foods are are easily digestible because they are rich in carbohydrates.
They have high amount of fibres rich in them .
Most easily digestible south indian foods is brown rice .
It does not contain oil in it .