Mani launched the protest in front of Gandhi statue here after leading a demonstration of the party workers against Centre's "negative approach" towards farmers.
His major demands include complete ban on import of rubber, pegging of prices of rubber at Rs 200 per kg and Rs 500 crore allocation from Central Price Stabilisation Fund to grant subsidy to thousands of farmers completely depending on rubber for their livelihood in the state.
The 'hunger strike' was inaugurated by Kerala Congress (M) Working Chairman and state Water Resources Development Minister P J Joseph.
