LAHORE - Sui Northern Gas Pipelines Limited MD A Rashid Lone has said that due to the increasing demand of gas by domestic sector during winter, gas pressure may occasionally decrease at any time, says a Press release. Therefore, domestic gas consumers are requested not to use gas heaters; use geysers from 6 am to 10 am; and cook only from 6:30 to 8:30 in the morning and to observe the same timings in the evening. He further added that, keeping in mind the safety of the consumers, it is requested that all gas appliances should be turned off immediately after use and in order to avoid any accidents, all main gas levers should also be turned off before going to bed.