In Kerala, the Met department has predicted very heavy rainfall across the State today.<br />''<br />''Red category warning has been issued in the Idukki, Kasargode, Kannur and Malappuram districts of the state. Heavy rain is expected in Kerala in coming days due to the depression formed in Bay of Bengal.<br />''<br />''Fishermen have been advised not to venture into the sea in Kerala-Lakshadweep coast. <br />''<br />''<br />