Yes i do agree with point of why have stops at sawantvadi and karwar if there are no passengers boarding and alighting from the train or if there is just a miniscule number of people patronising the train. There are lots of other trains on this route with sleeper class and 3AC in supefast category towards delhi (Mangala exp, Goa Sampark kranti, Kerala Sampark kranti, Kochuveli Amritsar, Kochuveli Dehradun). I am sure these two stops for Rajdhani would have been given with some motive, maybe tourism point of view (not too sure though)