Not only is this causing a huge loss in revenue to operators and by extension the government, but it represents a serious security threat, he said.
But he claimed that police action had brought the number of illegal VoIP providers down to just four or five from 165 in prior years.
Currently only incumbent Nepal Telecom, United Telecom, Spice Nepal and ATS Telecom are authorized to operate VoIP in Nepal.
The Committee asked regulator Nepal Telecom Authority to reappear this week with details of all revenue paid by licensed telecom operators to the government.