Indian Gas Exchange (IGX), the only gas exchange in the country, sees domestic gas demand picking up pace in the coming years with prices softening to $8-$9 per million British thermal unit (MBTU)Indian Gas Exchange (IGX), the only gas exchange in the country, sees domestic gas demand picking up pace in the coming years with prices softening to $8-$9 per million British thermal unit (MBTU) Latest News [ SOBAN NEWS: International and National ]