New Delhi, March 10 -- India's petroleum ministry said on Monday it issued orders to oil refineries to increase LPG production and to use such extra production to supply the domestic market. "The ministry has prioritised domestic LPG supply to households and introduced 25 day inter-booking period to avoid hoarding/black marketing. Non domestic supplies from imported LPG is being prioritised to essential non domestic sectors such as hospitals and educational institutions," it said.htc...