New Delhi, June 10 -- The Union ministry of petroleum and natural gas has asked states to accelerate the migration of liquefied petroleum gas (LPG) consumers to piped natural gas (PNG), wherever infrastructure is available.

Citing an under-recovery of Rs.690 per domestic LPG cylinder, petroleum secretary Neeraj Mittal has urged states to direct district collectors and urban local bodies to nudge households to switch to PNG connections where these are in place.

In a letter to chief secretaries of states and Union territories, Mittal said that despite notices issued to consumers with existing PNG connections to surrender their LPG cylinders, "field experience indicates that access constraints, consumer non-responsiveness and local issues ...