Hindustan Ki Kasam

The film opens with a sweeping montage that celebrates India's diversity, patriotism, and the shadow of Partition. The Wagah border ceremony frames the nation as both proud and fragile. A narration hints at the threads of loyalty and defense that run through the story.

On Independence Day, a boy runs with an Indian flag and hands it to his impatient father. An old man named Kabira, who has lost his right arm, rebukes them for merely clapping and urges active love of country. He asks the crowd to shout Jai Hind and salute the flag, establishing him as a nationalist mentor from the outset.

An Indian commander outlines a strategy to stop Pakistani attacks by gathering evidence and presenting it to the United Nations. He stresses the need to expose terrorist activities for international condemnation. The plan foreshadows the political and military pressure central to the plot.

A soldier hijacks a Pakistani aeroplane to obtain a crucial floppy disk. He fights the pilot, parachutes out and battles in mid-air, then lands and uses the pilot's chute to reach the ground. The action sequence sets the stakes for cross-border espionage.

In a mix of home and public life, Ajay begins a romance with Priya, a beauty queen. He daydreams about Priya appearing on TV as Miss India and preparing for Miss Universe, which deepens his feelings. He later rushes to the airport to congratulate Priya after the broadcast.

Ajay's mother receives a government pension from a postman, a humble moment that contrasts everyday life with politics. Kabira lectures about the contributions of freedom fighters, citing Bose as an example. The family conversation grounds the patriotic themes in personal history.

Priya asks Ajay to ride with her to the airport so she can reach the Miss Universe competition. He performs daring stunts and confesses his love during the ride, only to wake from the daydream. Later, Ajay sees Priya on TV as Miss India, winning second place, and heads to congratulate her at the airport.

Two Indian officers snatch a copy of Ajay's novel and report to their commander as proof of a murder tied to a New York incident. The commander uses the incident to assert Ajay's alleged military training and planning. Ajay and a photojournalist depart for Srinagar to verify clues.

Pajirao Marathe films a terrorist base near Srinagar and fights an Ajay-lookalike who steals his footage. The commander uses this to bolster claims about Ajay, while the real Ajay confronts memories that hint at a deeper connection. The sequence deepens the mystery surrounding the twins.

Ajay undergoes hypnosis with Dr. Dastoor and recalls childhood scenes of war and escape, including moments of leadership and combat described in his dreams. The interrogation reveals a link between his fiction and real past experiences. Officials begin treating him as a more dangerous figure than they first thought.

Ajay learns from his mother about his missing brother Raju and Aunt Geeta, killed during a Pakistani raid in 1971. Kabira explains the family’s losses and the emotional bonds that drive Ajay and his brother. Dr. Dastoor notes that the brotherly bond can influence both of them.

Amid escalating tensions, the two brothers recognize they must join forces to save an endangered Pakistani Prime Minister. Their shared history and grief push them to put aside old enmities for a greater good. The mission marks a turning point in their relationship.

The brothers’ alliance helps avert a looming catastrophe as they work to save the Pakistan Prime Minister. Jabbar’s plan collapses, and Nawab is exposed and arrested by Pakistani authorities. Raju sacrifices himself to protect Ajay, sealing the victory with a tragic, noble gesture.

The Indian and Pakistani Prime Ministers acknowledge the shared humanity of their people as they shake hands. Border barricades are removed, and ordinary citizens celebrate with candles, symbolizing a hopeful future beyond enmity. Roshanaara's soul is depicted as finding happiness in this unity.