Port Blair, Oct 13: On Saturday Heavy rain (07 -11cm) are likely to occur at isolated places over Andaman & Nicobar Islands. On Sunday Heavy to very heavy rain (07 -20cm) very likely to occur at isolated places over Andaman & Nicobar Islands. Also on Monday Heavy rain (07 -11cm) likely to occur at isolated places over Andaman & Nicobar Islands. The general public is advised to take precautionary measures and in case of any emergency contact in the following phone numbers of State Control Room, District Control Room and Emergency Operation Centres.