India, Aug. 14 -- Vishnu Shankar (Pratik Gandhi) and his team's mission in the last act of Saare Jahan Se Accha is to stop Pakistan from acquiring a nuclear reactor that is being transported to the port of Gadani from France's Horizon General Nucleaire (HGN).

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The events of 1972 take place against the backdrop of Pakistan's nuclear weapons program, which was launched by then-Prime Minister Zulfiqar Ali Bhutto (Hemant Kher) to compete with India and other Asian countries. He sought international funds, enlisted the help of renowned nuclear experts, and eventually received fina...