Hailing the Supreme Court order of disallowing tourism activity in core areas of tiger reserves, Environment Minister Jayanthi Natarajan on Tuesday said she would ask the state governments to strictly follow the directives of the apex court.

"We welcome the Supreme Court order banning tourism in core areas of tiger reserves. We are very strict about banning tourism in core zones of tiger reserves. I will personally write to all Chief Ministers asking them to strictly follow the Apex Court directive," Natarajan said.