Section 2(1)(h) in Petroleum and Natural Gas Regulatory Board (Technical Standards and Specifications including Safety Standards for LPG Storage, Handling and Bottling Facilities) Regulations, 2019
(h)"Compressed Gas" means any permanent gas, liquefiable gas or gas dissolved in liquid under pressure or gas mixture which in a closed container exercises a pressure either exceeding 2.5 kg/sq.cm. abs @ 15°C or a pressure exceeding 3.0 kg/Sq.cm. abs @ 50°C, or both;