District Collector Bhanu Prakash Yeturu has also extended the ban on use of Pakistani SIM in Barmer in view of national security.
"These orders have been issued with a view to keeping a check on spying activities in Barmer district," Yeturu told PTI today.
Any violation of the directives will invite legal action, the District Collector said.
The use of Pakistani SIM is banned in the district and an order in this regard is renewed after two months, he said.
Signals emanating from Pakistan-based telecom companies usually get detected up to 3-4 km inside the India territory, officials said.