First, I don't really care if its shot in Sri Lanka and not India. The setting looks good and helps make the various episodes Look and appear "real." Other than that, I don't care as the setting is both beautiful and exotic. Amanda Redman still looks great and makes her role of Dr. Lydia Fonseca believable. Amrita Acharia as Dr. Ruby Walker is appropriate as Indian by nationality but English woman by birth who in a fit of heartbreak decides to regroup by taking a position in an Indian hospital whereby she can enjoy the beautiful beaches, local color, and live in a luxurious apartment as her heart heals from a bad romantic relationship. Needless to say, this quickly becomes a fish out of water show as the realities of working in a "dump" of a hospital with minimal facilities and a variety of quirky locals have to be negotiated by Dr. Ruby Walker who is learning how to grow up and not live in the bubble of what she thought would be a medical vacation of sorts.
As the stories progress, we learn more about the various characters and alternate between humor and heartbreak. Dr. Walker has to learn to negotiate her English sensibilities with the realities of working in a run-down hospital and treating patients who have neither money of resources. The humor comes mainly from situations but the heartbreak is about people.
Don't get too attached to some of the characters as their storylines run out while the series continues. The series tries to have a big heart and for the most part it does. The acting is excellent and you care about the characters; it's a shame so many of the stories end sadly.
The series is certainly worth watching and I hope for many more seasons.