New Delhi, Jan. 10 -- The India Meteorological Department (IMD) in its weather bulletin warned of deep depression over southwest Bay of Bengal. The weather agency issued an orange alert for heavy rainfall on Saturday in Tiruvarur, Nagapattinam, Mayiladuthurai and Cuddalore districts of Tamil Nadu, Puducherry and Karaikal area.

The prevailing weather system is expected to bring heavy to very rainfall at isolated places over Tamil Nadu on 10 January and heavy rainfall at isolated places over the same region on 11 January, IMD said.

The Meteorological Department also issued a yellow alert for Chennai, Chengalpattu, Tiruvallur, Kancheepuram, Villupuram, Kallakurichi, Ariyalur, Thanjavur, Pudukkottai and Ramanathapuram districts of Tamil Nad...