In the last two decades, cross-border gas pipelines have become an integral part of discourse on India’s energy security. Successive reports from the government and the private sector have envisaged an important role for cross-border gas pipeline projects in India. After engaging in negotiations for several years, the Indian Government finally joined the Turkmenistan, Afghanistan, Pakistan and India (TAPI) gas pipeline over the Iran–Pakistan–India pipeline (IPI) and the Myanmar–Bangladesh–India pipeline (MBI).

As was anticipated, the nuclear sanctions imposed against Iran were finally lifted on January 16, 2016 after it was certified by the International Atomic Energy Agency (IAEA) that Iran had met its obligations under the Joint Comprehensive Plan of Action (JCPOA) reached in July 2015 among six world powers.

Energy, as a resource, has been considered only as a factor of complex geopolitical rivalries and geo-economic calculations globally. This article, on the other hand, attempts to analyse a parallel trend in the post-Cold War international scenario, a trend that shows how energy gains global relevance as a vector of alliance and a link for interdependence, and how economic and environmental challenges have become the compelling factors to push competitors to turn into allies and partners.