Telecom operators have swung into emergency mode to restore their networks in the three flood-affected districts of Bangladesh --Sylhet, Sunamganj and Netrakona. So far, cellular coverage has been restored at 1,166 of 2,528 sites in these districts, the Post and Telecommunication Ministry has said in a release. Read: Govt working to restore telecommunication in flood-hit areas Three telecom operators -- Internet Service Provider (ISP), Bangladesh Telecommunication Company Limited (BTCL) and Nationwide Telecommunication Transmission Network (NTTN) -- provide services in these three districts. The Bangladesh Telecommunication and Regulatory Commission (BTRC) has also set up a monitoring cell for the flood-hit areas.