I read up on Murud-Janjira, a fort off the coast of mainland India. It appears that the Siddis managed to hold onto the fort despite Dutch, Maratha, and British East India Company attacks. In the Wikipedia article (no citation):
... Janjira remained unconquered until it became part of Indian territory after independence from the British in 1947.
- Was this fort really independent from the European powers (in particular, the British Raj)?
- If so, how did it manage to be independent for so long? Surely aircraft, naval, artillery, and mechanized infantry technology would have been advanced enough in the first half of the 20th century to capture the fort.
- Why did it join India?