Military career

Adams became Commander-in-Chief

Commander-in-Chief, India

During the period of the British Raj, the Commander-in-Chief, India was the supreme commander of the Indian Army. The Commander-in-Chief and most of his staff were based at General Headquarters, India, and liaised with the civilian Governor-General of India...

 of the East India Company

East India Company

The East India Company was an early English joint-stock company that was formed initially for pursuing trade with the East Indies, but that ended up trading mainly with the Indian subcontinent and China...

's troops in June 1763 following the British

Great Britain

Great Britain or Britain is an island situated to the northwest of Continental Europe. It is the ninth largest island in the world, and the largest European island, as well as the largest of the British Isles...

 Declaration of War against Mir Qasim

Mir Qasim

Mir Qasim was Nawab of Bengal from 1760 to 1764. He was installed as Nawab by the British East India Company replacing Mir Jafar, his father-in-law, who had himself been installed by the British after his role in the Battle of Plassey...

 on account of the killing by Qasim's men of the British Resident at the Court of the Nawab of Bengal

Nawab of Bengal

The Nawabs of Bengal were the hereditary nazims or subadars of the subah of Bengal during the Mughal rule and the de-facto rulers of the province.-History:...

.

Key engagements were the Battles of Gheria in August 1763 and Udhanala in September 1763: Adams pursued Qasim's troops to the gates of Monghyr

Munger

Munger town is the headquarters of Munger district, in the Indian state of Bihar. Historically, Munger is known for its manufacturing of iron articles such as firearms and swords. One of the major institutions in Munger is Bihar School of Yoga. It is one of the foremost learning center in the...

 and then besieged Patna

Patna

Paṭnā , is the capital of the Indian state of Bihar and the second largest city in Eastern India . Patna is one of the oldest continuously inhabited places in the world...

 where Adams was victorious but not before Qasim had killed some 60 British prisoners. Adams followed Qasim's remaining sepoy

Sepoy

A sepoy was formerly the designation given to an Indian soldier in the service of a European power. In the modern Indian Army, Pakistan Army and Bangladesh Army it remains in use for the rank of private soldier.-Etymology and Historical usage:...

s for a few more days and then returned to Calcutta

Kolkata

Kolkata , formerly known as Calcutta, is the capital of the Indian state of West Bengal. Located on the east bank of the Hooghly River, it was the commercial capital of East India...

 having conquered the whole of Bengal

Bengal

Bengal is a historical and geographical region in the northeast region of the Indian Subcontinent at the apex of the Bay of Bengal. Today, it is mainly divided between the sovereign land of People's Republic of Bangladesh and the Indian state of West Bengal, although some regions of the previous...

in just a few months.

Adams died in Calcutta in January 1764.