India reports rise in Covid cases due to new variant and colder weather; 756 new infections bring total active cases to 4,049. Two fatalities each in Kerala, Maharashtra, and Jammu and Kashmir. Daily case numbers fell to double digits by December 5, 2023, but spiked to 841 on December 31, 2023. Home isolation manages 92% of active cases. JN.1 variant not causing significant surge in cases, hospitalizations, or deaths. India has experienced three major Covid-19 waves with highest daily case and death counts during Delta wave. Over 4.5 crore infections and 5.3 lakh deaths recorded.