CHENNAI, Oct. 19 -- Extremely heavy rainfall lashed several districts across Tamil Nadu, with most places recording over 20 cm of rain in the last 24 hours, with the meteorological department saying on Sunday that heavy to very heavy rainfall is likely across the state till October 24. According to the regional meteorological centre, six locations in Chennai, including Parrys recorded the highest amount of 36.3 cm of rainfall in the last 24 hours. htc...