The Second Karnatic war was fought between 1749–1754. After the Treaty of Aix-la-Chapelle in 1748, the war of Austrian succession had ended. But the Brits and the French were still at loggerheads. Within a year the two were fighting it out in a proxy war in India. The French and British East India Companies were entangled in war in the Karnatic for a second time to prove supremacy. The war was fought between the British-backed Nizam of Hyderabad and the French-backed Chanda Sahib & Muzzafar Jung for the Nawabship of Arcot. Muzaffar Jung and Chanda Sahib were able to capture Arcot with French support. Meanwhile, Nasir Jung's subsequent death allowed Muzaffar Jung to take control of Hyderabad. Muzaffar's reign was short as he was soon killed, and Salabat Jung became Nawab. In 1751, Robert Clive led British troops to capture Arcot, and successfully defend it. The war ended with the Treaty of Pondicherry, signed in 1754, which recognised Muhammad Ali Khan Walajah as the Nawab of the Karnatic.

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