New Delhi, Feb. 28 -- For 26-year-old Jeenath Rabiya-a single mother of two-the day starts early.

She sends her children to school, finishes the daily chores and then heads to a modest white building on Pamban island, Rameswaram. A simple board on the facade displays the words Namathu Munnetrathukkana Vaanoli (A Radio for Our Development).

This space is home to Kadal Osai, a community radio for and by fisherfolk. In a small room with a computer, an audio console and a microphone, Rabiya transforms into an RJ, hosting a 2-hour programme titled Samuthiram Pazhagu (Getting Used To The Sea).

She focuses on the many aspects of marine conservation and climate change. "I was working as a teacher prior to this, and was an avid listener of Kodaik...