The ongoing protests in the Mandya region of Karnataka have been triggered by the Supreme Court's refusal Thursday (September 21) to interfere with the Cauvery Water Management Authority’s (CWMA) direction to the state to release 5,000 cusecs of water per day for 15 days to neighbouring Tamil Nadu. Cauvery, also known as the ‘Dakshina Ganga’ or the Ganges of the south, is the fourth largest river of southern India. It has been considered as the economic backbone of the states through which it flows, making its impact felt most strongly in Karnataka and Tamil Nadu. While the contest for Cauvery can be traced back to the 11th century AD, modern-day Tamil Nadu and Karnataka have been at loggerheads over the sharing of the river's water for years now with recurring widespread protests in both states. Here's a look at the protests that took place on the issue since 2012: