India's largest underground LPG storage facility completed in Mangalore; All details here
Mangalore, Karnataka – June 18, 2025: India’s largest underground LPG storage cavern, near Mangalore, has been successfully completed, marking a major step forward in the country’s energy infrastructure. Built by Megha Engineering and Infrastructures Limited (MEIL) for Hindustan Petroleum Corporation Limited (HPCL), the project is now fully ready for operation following the successful completion of all testing phases on June 6, 2025.
This underground facility, with a storage capacity of 80,000 metric tonnes, is part of the Mangalore LPG Import Facility (MLIF) and is designed to support uninterrupted LPG distribution across southern and central India. The storage cavern will serve as a critical reserve in case of emergencies, such as supply disruptions during wartime or natural disasters.
As reported by The Hindu in September 2023, during a visit by the Karnataka Legislative Council Assurance Committee, HPCL officials assured that the 80,000 metric tonne LPG cavern is a safe and secure storage facility. Responding to safety concerns, HPCL General Manager (Projects) Ramana Murthy had stated that the cavern is being constructed to withstand natural disasters and external threats, with safeguards in place to prevent ecological damage as well.
He had highlighted that underground storage is inherently safer and that the design follows the successful model used in Visakhapatnam. Additional safety mechanisms, including pipeline monitoring by line walkers, have also been put in place.
What Is This Cavern and How Was It Built?
The storage cavern is carved deep within granitic gneiss rock at a depth of 141 metres below mean sea level. The engineering behind the project follows the principle of hydraulic containment, meaning the surrounding groundwater pressure helps keep the LPG sealed safely within the rock chamber. The shaft extends up to 164.5 metres, ensuring a secure vertical layout for storing and transporting gas.
The construction was carried out using the drill-and-blast method, which required high-level geological assessments and precision engineering. The entire structure includes:
An access tunnel of 1.1 kilometres to remove debris and provide entry
Two main storage caverns (Cavern S1 at 220 metres and Cavern S2 at 225 metres)
Upper and lower water curtains totalling over 13 kilometres of vertical and inclined boreholes to manage water pressure and prevent gas leakage
Operation shaft of 6.5 metres in diameter equipped with submersible LPG pumps, fill lines, and safety instruments
Connecting tunnels measuring 486.2 metres to link various compartments
Overall structure embedded in hard rock for long-term durability and safety
How Is It Tested for Safety?
Before beginning storage operations, the facility underwent a critical procedure known as the Cavern Acceptance Test (CAT). Conducted from May 9 to June 6, 2025, this test involved:
Pressurisation: Filling the cavern with air to increase pressure up to 8.310 kg/cm².
Stabilisation: Closing all vents for over 100 hours to monitor for leaks while observing pressure, geological and instrument data.
Depressurisation: Gradually reducing the pressure to ensure the structure remains airtight.
All stages were completed successfully, confirming the readiness of the facility to safely store LPG.
Strategic Importance: Why This Project Matters
The Mangalore LPG cavern is not just a storage site—it is a strategic energy reserve. In situations like war, economic blockades, or natural disasters where international LPG imports might be disrupted, this cavern can act as a buffer to ensure that supply to key regions is not cut off.
The facility will receive imported LPG via the New Mangalore Port and supply it to the Mangalore LPG Bottling Plant, and also to road and rail tankers. A network of cross-country pipelines will further carry the gas to Mysore, Bengaluru, and Hyderabad, ensuring smooth distribution, a report in Economictimes.in stated.
The project is seen as a vital step in India’s efforts to enhance energy security. With the growing domestic demand for clean fuel and the push for increased use of LPG in rural and urban households, infrastructure like this plays a crucial role.
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Experience comes when you play bigger teams in bilateral series: Rashid Khan
Chennai (PTI): Afghanistan skipper Rashid Khan called for more bilateral series against stronger cricketing nations after his team signed off from the T20 World Cup on a high, defeating Canada in their final group match here on Thursday.
Afghanistan played some exhilarating cricket, going down to South Africa in a gripping second Super Over after the scores were tied, a humdinger that provided one of the early thrills of the World Cup.
However, the spin-bowling stalwart said Afghanistan could make significant strides if they get regular opportunities to compete against stronger cricketing nations.
"Couple of areas to improve, with the batting, the middle order got a bit stuck against the big teams, and then with the bowling the death overs. That comes when you play the bigger teams in bilateral series," said Rashid after his team defeat Canada by 82 runs, with him returning excellent figures of 2 for 19.
The stalwart said the side had arrived well prepared for the tournament and produced some breathtaking cricket, but admitted the narrow defeat to South Africa proved costly and remained a painful setback.
"We were well-prepared (for the tournament), we played some unbelievable cricket. The game against South Africa, that really hurt everyone. We had to win one of those (first two) games and see how the tournament unfolded. We'll take some positive things from this World Cup and look forward," he said.
With head coach Jonathan Trott set to part ways with the team, Rashid described the departure as an "emotional" moment for the side.
"I think we had some wonderful times with him. Where we are now, he played a main role. It's emotional to see him leave us, but that's how life is. We wish him all the best and somewhere down the line we see him again."
Ibrahim Zadran, who was named Player of the Match for his unbeaten 95 off 56 balls, said it was satisfying to finally register a substantial score after two below-par outings.
"I enjoyed it, didn't play better cricket in first two innings, which I expect. Wanted to back my skills, really enjoyed it. Pressure was there, it's there all the time. I want to put myself in pressure situations and enjoy it," said Zadran.
"Wanted to play positive cricket, rotate strike and punish bad ball, create partnerships and this is what I have done."
