Cyclone Arnab: IMD alerts Telangana with orange alert for Mulugu, Bhadradri Kothagudem, Khammam, Mahabubabad and yellow for four other districts on Oct 28. The India Meteorological Department (IMD) has warned that the depression over the Bay of Bengal is likely to intensify into a very severe cyclonic. The IMD has issued an orange alert for four Telangana districts and a yellow alert for four others due to Cyclone Arnab's expected landfall on.