Set in 1989, *Mission Raniganj* tells the gripping, true-life survival story centered around Jaswant Singh Gill, a fearless mining engineer determined to save trapped coal miners. The film opens at the Mahabir Colliery in Raniganj, West Bengal, where illegal and reckless coal extraction has compromised the structural integrity of the mines. Driven by greed and managerial negligence, the administration ignores critical safety warnings. During a routine yet hazardous blasting operation, disaster strikes. A massive wall collapses, instantly flooding the underground tunnels with millions of gallons of water from a nearby water body, trapping dozens of miners in a dark, oxygen-deprived abyss thousands of feet
below the surface.Amidst bureaucratic panic, chaos, and institutional cowardice, Jaswant Singh Gill steps forward. A man of immense integrity and technical brilliance, Gill is motivated solely by a fierce sense of duty and the desperate plea of the miners’ families. He proposes an audacious, never-before-tried rescue plan: sinking a giant steel capsule into the earth to haul the trapped men up one by one, bypassing the flooded shafts.However, Gill faces intense opposition. The mine’s general manager and cowardly corporate superiors prioritize damage control, protecting their reputations, and cutting costs over human lives. They dismiss Gill’s capsule design as a dangerous gamble that could lead to further catastrophe. Undeterred, Gill uses his unwavering resolve to rally the support of the miners' union, the local community, and a few empathetic officials. He takes personal responsibility, turning the rescue into a high-stakes
race against time as oxygen levels plummet and toxic gases build up underground.The dramatic climax is a masterclass in tension. Operating against relentless logistical nightmares, treacherous weather, and malfunctioning machinery, Gill descends into the dangerous zone to oversee the operation firsthand. Hours turn into days of agonizing suspense. One by one, the steel capsule breaches the surface, bringing emaciated, traumatized miners back to their weeping families. Gill’s tireless endurance pays off, and all surviving miners are successfully rescued, turning him into a national hero. The film concludes as a powerful tribute to human resilience, honoring Gill’s extraordinary courage and the indomitable spirit of the working class against systemic apathy.