The main gas supply line to Narsingdi was damaged during construction work on a drain, according to Titas Gas authorities
The panel suggested reviewing the rate of infections prior to ending the lockdown. The extension proposal came from a meeting on Sunday.
A plan should be designed to lift the lockdown gradually, the committee said in a statement on Monday.
As a second wave of infections hit Bangladesh, the government enforced a lockdown from Apr 5 for a week. The second phase of the lockdown that began on Apr 14 will continue until the midnight of Apr 21.