India has recorded 605 new cases of Covid, while the number of active cases of the infection has declined to 3,643, the health ministry said on Wednesday. Four deaths -- two each from Karnataka and Kerala -- have been reported in a span of 24 hours, according to the ministry's data updated at 8 am. The number of daily cases had dropped to double-digits till December 5, 2023 but cases began to increase after emergence of a new variant and cold weather conditions. After December 5, 841 new cases were reported on December 31, 2023 which was 0.2 per cent of the peak cases reported in May 2021, official sources said.