> ScienceRattled by relentless rain Kolkata is waterlogged with more rain on the radar. The City of Joy has turned into a flotsam due to downpour owing to low pressure over the Bay of Bengal. The deluge ahead of the Durga Puja has affected several pandals across the town. Per reports, due to a cumulonimbus cloudburst, there was a spell of heavy rain measuring over 100 mm in an hour in seven places. From MG Road to Alipore Road, the Kolkata Traffic Police updated 16 areas affected by waterlogging and thereby construction on the roads.