The Second Carnatic War (1749-54) was a power struggle between various contenders to the positions of Nizam of Hyderabad and Nawab of the Carnatic, with each claimant backed by the British or the French.
The background for the Second Carnatic War was provided by rivalry in India.
The death of Nizam-ul-Mulk, the founder of the independent kingdom of Hyderabad, in 1748, provided an opportunity for both the French and British to meddle with internal affairs and strengthen their hold thus leading to the Second Carnatic War.
Although inconclusive, it undermined the French power in South India vis-àvis the English.
The English army led by Robert Clive won the Second Carnatic War. The candidate of the English, Mohammed Ali was made the Nawab of Carnatic at the end of the war.
The second Carnatic war was fought in the year 1749-1754 between the French and British.