There are 41 active COVID-19 cases in the district. While four patients have recovered, one has died.
It is also the biggest jump in cases reported by a district in the state.
A majority of the 31 patients had returned from Mumbai on a special train on May 18. They were placed under institutional quarantine at different places, Deputy Commissioner Harikesh Meena said.
They have been admitted at different COVID-19 centres of the district, he added. CORR DJI ABH ABH