Jamnagar, Gujarat : On Wednesday, October 21, 2026, U.S. Secretary of State Marco Rubio is visiting the world’s largest refinery complex in Jamnagar, Gujarat. During this visit, he is also scheduled to meet with Mukesh Ambani, Chairman and Managing Director of Reliance. It is reported that Rubio intends to discuss the refining of Venezuelan crude oil with Reliance. According to media reports, Reliance Industries is preparing to make a significant investment in an oil refinery in Texas, USA a project that would mark the first new refinery built in the United States in 50 years. Notably, the Jamnagar refinery is capable of processing crude oil from Venezuela, which is considered to be of very poor quality.

Twenty-five years ago, on December 28, 1999, Reliance founded by industrialist Dhirubhai Ambani commissioned its first refinery in Jamnagar, located in the western Indian state of Gujarat. Overnight, this facility transformed India from a fuel-deficient nation into one that is self-sufficient and, subsequently, a surplus producer—enabling the export of gasoline (petrol) and gasoil (diesel) to Europe and the United States. Today, Jamnagar has emerged as the world’s largest refining hub. It is this very facility that has captured the interest of the United States, prompting the visit by U.S. Secretary of State Marco Rubio.

When a journalist asked Rubio about his visit to Reliance’s Jamnagar refinery, the question arose: Why is the U.S. Secretary of State meeting with the CEO of an oil refining company ? In response to this, Marco Rubio remarked that the company possesses a massive refining capacity, adding, “I think I should go and speak with them.”

According to futurefuels.in, the scale of this Indian refinery can be gauged by the fact that it processes more than double the total daily oil consumption of Pakistan. Data from Worldometer indicates that Pakistan’s daily oil consumption is 556,000 barrels, whereas Reliance’s Jamnagar refinery has a capacity of approximately 1.4 million barrels per day. The facility processes crude oil sourced from across the globe.

The vision to establish such a refinery was conceived by Reliance’s founder-chairman, Dhirubhai Ambani, back in the 1950s while he was in Aden. He was advised to build the refinery on a barren, desolate stretch of land near a village called Motikhavdi, close to Jamnagar. Many experts warned him against investing in such a desert-like region, which lacked basic infrastructure including roads, electricity, and an adequate supply of drinking water. Undeterred by these challenges, Dhirubhai pressed ahead; between 1996 and 1999, he and his team turned the Jamnagar refinery into a reality.

According to a report by climatetrace.org, Reliance’s Jamnagar refinery is the largest single-location refinery in the world. It has the capacity to process 1.4 million barrels of crude oil per day the highest in the world. With a complexity index of 21:1, the refinery is capable of converting even heavy, low-cost crude oil into high-quality petroleum products. The higher a refinery’s complexity index, the heavier the crude oil it can process. The grade of crude oil is determined by its sulfur content; the heavier the crude, the more difficult it is to process.

According to the company, the Jamnagar refinery has processed over 216 different types of crude oil sourced from around the world. It also houses the world’s largest paraxylene complex and a refinery off-gas cracker (ROGC) complex. Perhaps the most notable feature of this facility is that it ranks among the most complex refineries globally. This capability allows it to convert inexpensive, heavy crude often referred to as “dirty” oil into high-quality products that meet the increasingly stringent standards of Western fuel markets. In this regard, it outperforms almost every other refinery in the world.

The refinery was completed in a record time of 33 months. When Reliance Industries Limited first proposed building an oil refinery to process crude oil extracted from both land and sea into fuels like gasoline and diesel, many experts argued that it would be impossible for an Indian company to establish the world’s largest grassroots refinery in just three years. Yet, despite infrastructure challenges and a devastating cyclone that struck Jamnagar, the feat was accomplished in a record 33 months.

As India’s first private-sector refinery, this facility increased the nation’s total refining capacity by 25 percent and rendered India self-reliant in terms of transportation fuels. The project transformed a barren region into a vibrant industrial hub. Furthermore, through focused efforts, Reliance created a “green zone” in what was once arid land; consequently, local temperatures dropped, and rainfall patterns improved. The Jamnagar refining complex now houses Asia’s largest mango orchard, containing over 150,000 mango trees. Its vast mangrove area has become a sanctuary for migratory birds, while the surrounding dense forests are home to ‘Vantara’ a unique rehabilitation center for rescued wild species.

A decade after the establishment of the first refinery in Jamnagar, Reliance through one of its subsidiaries constructed a second refinery adjacent to the original one. With a processing capacity of 580,000 barrels per day (29 million tonnes), this new facility transformed the Jamnagar site into the world’s largest single-location refining complex. The new refinery is dedicated exclusively to the export of petroleum products, while the original refinery caters to the needs of the domestic market. It is for this reason that the Jamnagar refinery is regarded today as a global “super-refinery.”

Jamnagar Airport holds significant strategic importance for India. The Indian Air Force has utilized it as a base during several conflicts with Pakistan. This base played a pivotal role in countering Pakistan during the wars of 1965 and 1971. Pilots trained at the operational training unit stationed here proved instrumental in defeating Pakistani forces. During the 1971 India-Pakistan war, Wing Commander Don Conquestor took off from Jamnagar to carry out an attack on an oil tanker in Karachi.

Report : Abhijit Tushar Bhatt (Political Editor)