The India Meteorology Department in Chennai has said the convection current and the upper air circulation over the region has brought sporadic rain.<br />'' <br />''It says 12 districts in the state are set to receive moderate to heavy rain in the next 24-hours.<br />'' <br />''<span style="color: #222222;">Fishermen have been asked to be cautious while fishing in the Gulf of Munnar, East Central bay of Bengal and the Andaman Sea.</span><br />