Right across the street from the City Centre Mall the Hotel Mangalore is a good budget/mid range option.
Rooms are clean and quiet, there’s WiFi(slow) and complementary breakfast on the morning. Hot showers and comfortable beds and a newspaper in the morning contribute to making this hotel a good place to stay. There’s no in house restaurant but there’s plenty of choices nearby.
Check in is quick and straight forward, even for foreigners and the hotel is suitable for solo women.