A Different Flame

Keeping the X running was a difficult task. Earlier, X was run using LPG, but one cylinder of LPG used to exhaust itself in 1.5 days. Also, there were severe space constraints of stocking the cylinders. So, a project for a pipeline-fed switch-over to piped natural gas (PNG) was sanctioned in December 2005 by the central government and Indraprastha Gas Limited was asked to complete it on priority. The agency went on to lay a 500-metre pipeline to complete the task.

Identify X.