Correct Answer : Maharashtra
* Ratnagiri mines are found in Maharastra.
* It is the part of the Konkan division and a port town in the Maharastra.
* This district was founded by the British.
* Minerals like Bauxite, Ilmenite found in these mines.
* It was also a birthplace of great Indian freedom fighter Lokmanya Bal Gangadhar Tilak.