Our Staff Reporter ISLAMABAD - Another gas bomb is looming over the heads of 180 million Pakistanis as Ministry of Petroleum and Natural Resources Saturday sent its summary to Prime Minister for the approval of increase in gas tariff. According to sources the ministry has proposed 15pc increase in gas tariff for domestic consumers, 18.43pc increase in gas tariff for industry, 69.05pc increase in CNG and 96.06pc increase for fertilizer units. Meanwhile, Chairman of Supreme Council All Pakistan CNG Association; Ghiyas Abdullah Paracha has urged the Prime Minister not to sign the summary. He also appealed to the Chief Justice of the Supreme Court to take suo moto notice against the proposal.