Sagar Ratna: A very popular restaurant chain, Sagar Ratna offers authentic South Indian delicacies. Located at a number of locations across Delhi, Sagar Ratna is known for its range of south Indian dishes ranging from dosas, uttapams, idlis and rasams. The ambience is pleasing with a well set dcor in all its branches. The company prides its self on the quality of its food and service. It is definitely a good place to enjoy more than a mouthful of some delicious south Indian food.