New Delhi, May 20 -- Resumption of public transport within states has triggered a surge in movement of migrant workers, adding to fears that many of them returning to their home districts could potentially be carriers of coronavirus.

The easing of travel restrictions by the ministry of home affairs (MHA) and followed up by some states has opened the floodgates for migrant workers to rush back to their hometowns but also posing a threat of contaminating regions that have so far remained free from covid-19.

With the focus of mandatory quarantine and testing moving to inter-state movement of migrants, local authorities raised concerns over movement within a state.

Over 1500 cases across districts in Tamil Nadu are traced back to Koyembedu...