In Tamil Nadu, the active COVID-19 caseload in the state has further come down to 35,480 today. The new infections have also dropped down to 3,086. Meanwhile, the State Government has further extended the working hours for the shops, hotels and commercial complexes till 10 p.m. from today, in view of the forthcoming festivals. AIR correspondent reports that, the additional relaxation on working hours for the commercial establishments are aimed at helping economic activities during the festive season.<br />'' <br />''Meanwhile, the results of the Second Phase of the Sero-Survey conducted in Chennai have come out yesterday. Over 32 per cent of the sample population in the metropolis is known to carry the antibodies against the virus causing COVID-19. In the Second Phase of the survey, held jointly by the Central and the State Governments, the samples were collected from 6,389 persons.<br />'' <br />''<span style="color: #222222;">Of these, 2,062 are known to carry the antibody called immunoglobulin-G or IgG that can act against the virus. Doctors say normally the presence of the antibody means they have got exposed to the virus knowingly or unknowingly and have recovered.</span><br />