<span style="color: #222222;">In Chennai, the police are maintaining a tight vigil to check violation of full lockdown in the city and its suburbs that has come into effect since yesterday. More than two thousand four hundred cases have been filed against violators on a single day yesterday, mostly motorists. Check posts have been established at all key points in the city besides deploying drones to monitor vehicular movement. The full lockdown that will continue till the end of this month is aimed at controlling the alarming rise of the Covid-19 virus.<br />'' <br />'' Meanwhile, 2115 new cases of Covid-19 in Tamil Nadu have been recorded yesterday taking the total infections past the 54-thousand mark.</span><br />