Oil and Gas Regulatory Authority (OGRA) would hold a public hearing on the regulatory matters pertaining to the Sui Northern Gas Pipelines Limited (SNGPL) in Peshawar on Monday. All the interested persons and parties who have been requested to attend the hearing should present their complaints/grievances, preferably in writing, OGRA spokesman Imran Ghaznavi said in a press note. The hearing, commencing from 11 am, would be held in the conference hall of the Sarhad Chamber of Commerce and Industry building on February 7.