"In areas where the weekly infection population ratio is above seven per cent, the government has decided to implement a lockdown. From next week, there will be night curfew from 10pm to 6am. Night curfew has already been issued for tomorrow," Vijayan said at a press conference here.

from Times of India https://timesofindia.indiatimes.com/city/thiruvananthapuram/covid-kerala-govt-declares-night-curfew-from-monday/articleshow/85717251.cms