A developing Bay of Bengal weather system may bring heavy rain to Telangana on October 28. Follow IMD updates for the latest rainfall warnings. HYDERABAD: A low-pressure system over the Bay of Bengal is likely to bring heavy to very heavy rainfall to parts of Telangana on October 28, with the India Meteorological Department (IMD) issuing a red alert for Mulugu, Bhadradri Kothagudem and Khammam districts.