Sri Vijaya Puram, Sept. 4: Heavy rain (07-11 cm) is very likely to occur at one or two places over Nicobar Island and thunderstorm with gusty wind (30-40 kmph) is also very likely to occur at one or two places over A&N Islands on Sept. 6. Heavy rain (07-11 cm) is very likely to occur at one or two places over A&N Islands on Sept. 7.