The GST Council could consider bringing natural gas inside the purview of Goods and Services Tax in its next meeting, an authority said on Friday.GST Council Joint Secretary Dheeraj Rastogi said aviation turbine fuel (ATF) would be another oil based good that could likewise be brought inside the GST ambit among five oil based commodities. The consideration of gaseous petrol inside the GST domain on an exploratory premise would be put before the GST Council in its inevitable GST Council meeting, a PHD Chamber proclamation cited Rastogi as saying.