There were three wars fought between the French and British in Carnatic region known as Anglo French War or Carnatic Wars. This was called the Annexation and Expansion of British in India.

The Third Carnatic war put an end to the French colonial ambitions in India.

What is Carnatic?

It comprises of two words, Car (Black) and Nad (Place or region). This place was founded by the Mughal Emperor Aurangzeb and he appointed Zulfiqur Khan as the Subedar of Arcot.

First Carnatic Wars (1746-48) -

Cause - Austrian War of Succession in Europe created rivalry between the British and French.

Course of Action - The French Governor, Dupleix attacked and captured Madras. Meanwhile, the British asked for help from Nawab Anwaruddin.

Nawab sent the force which led to Battle of Santhom.

Treaty - Treaty of Aix-la-Chapelle was signed and Madras was handed over to the British.

Second Carnatic War (1749-54) -

Cause - War of Succession in Carnatic itself

Course of Action - The succession was in between the two states which were Hyderabad and Arcot.

In Hyderabad, Muzaffar Jung and Nasir Jung were fighting for ascending the throne whereas in Arcot, the rivlary between  Anwaruddin and Chanda Sahib was emerging.

The French forces supported Muzaffar Jung in Hyderabad and Chanda Sahib in Arcot.

Till 1750, war was entire in favor of French but in Battle of Arcot, British General Robert Clive got victory and attacked Pondicherry. With this, the French surrendered.

Treaty - Treaty of Pondicherry was signed and it was again handed over to the French.

Third Carnatic War (1757-63) -

Cause - 7 year war of Succession in Europe

Course of Action - During this time, a new French Governor General was appointed in India and the rivalry between the British and French again fired up.

The Battle of Wandiwash fought between the two and British got victory.

Treaty - Treaty of Paris was signed and this became a decisive war in between British and French with the ending of French ambition to occupy India.

Answer:

How many wars did the French and the British fight in Carnatic?

* Three Carnatic Wars were fought between 1746 and 1763.

Which war put an end to the French colonial ambitions in India?

*The Third Carnatic War was fought between the French and the British from 1758 to 1763. It put an end to the French ambitions to create a colonial empire in India.