The communications blackout in Kashmir is so total that some people there don't even know that India rewrote its constitution to strip the region of its political autonomy, local reporters said.
Indian authorities shut off the internet, cellphone, and landline services in the disputed region on Monday, and have yet to restore them.
Security services have also blocked off many parts of the region and banned public gatherings.
Authorities have also detained at least 300 local politicians and pro-independence activists to prevent protests, Reuters reported, citing local police, and media.
The blackout was imposed as India's parliament annulled the two articles in its 72-year-old constitution allowing the state of Jammu and Kashmir to make its own laws and prevent outsiders from living and working freely in the region.