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Continue to Chat'Switch of all lights in your homes for 9 minutes at 9 PM on April 5': PM Modi's appeal to India in video message https://www.primetimes.in/news/437891/switch-of-all-lights-in-your-homes-for-9-minutes-at-9-pm-on-april-5-pm-modis-appeal-to-india-in-video-message/