The first cross country gas pipeline constructed by GAIL is :

NCERT (2026-27): “Oil and Gas Pipelines … GAIL (India) Ltd. was set up in 1984 as a public sector undertaking to transport, process and market natural gas for its economic use. The first 1,700 km long Hazira-Vijaipur Jagdishpur (HVJ) cross country gas pipeline, constructed by GAIL (India), linked Mumbai High and Bassein gas fields with various fertiliser, power and industrial complexes in western and northern India.”