As of December 15, Tamil Nadu has 36 active cases with a discharge ratio of 98.94 per cent. Among the Indian states, Kerala has the maximum of 1,144 infections with a discharge ratio of 98.94 per cent, as per the Covid data available on the Central government's website. Asked about the increasing trend in the neighbouring state, the Minister told reporters here that Tamil Nadu Health officials were in touch with their counterparts in Kerala and they were closely monitoring the development.