In Tamil Nadu, the new Covid-19 cases on a 24-hour basis dipped below five thousand mark on Monday.<br />'' <br />''AIR correspondent reports, two encouraging trends are visible in yesterday's Covid-19 data released by the Tamil Nadu state health department.<br />'' <br />''The number of people under treatment or at home isolation due to the infection remained at nearly 43 thousand on the third of July.<br />'' <br />''After an upward movement for many months, the number has retraced to a little above 43 thousand again on Monday.<br />'' <br />''It may be seen that the graph on active caseload shows the declining trend for the past many days, though the pace of the dip is marginal.<br />'' <br />''Another remarkable feature is the everyday new Covid-19 cases, which have dropped below the five thousand mark on Monday, the first time in several months.<br />'' <br />''<span style="color: #222222;">Officials point out that if all the public follow the safety protocols without any let off in wearing face masks, the chain of the pandemic's spread could be broken effectively.</span><br />