Hi,

There is a south Indian restaurant : Udupi International Restaurant in Doha. It is located near krazy signal.

UDUPI INTERNATIONAL, QATAR

(An Authentic Indian Vegetarian Multi Cuisine Restaurant)
Hotel Qairawan, 1st Floor, Al-Nada Street,
Behind Ali Bin Printing Press and on the road
Opposite to Al-Handasa Building, (Qatar Petroleum)