A Peshwa is the titular

Titular

Titular means existing in title only. It may refer to:*Titular ruler, a person in an official position of leadership who possesses few, if any, actual powers*Titular , bishop or titular cardinal, whose see is in name only**titulus**titular see...

 equivalent of a modern Prime Minister

Prime minister

A prime minister is the most senior minister of cabinet in the executive branch of government in a parliamentary system. In many systems, the prime minister selects and may dismiss other members of the cabinet, and allocates posts to members within the government. In most systems, the prime...

. Emporer Shivaji created the Peshwa designation in order to more effectively delegate administrative duties during the growth of the Maratha Empire

Maratha Empire

The Maratha Empire or the Maratha Confederacy was an Indian imperial power that existed from 1674 to 1818. At its peak, the empire covered much of South Asia, encompassing a territory of over 2.8 million km²....

. Prior to 1749, Peshwas held office for 8-9 years and controlled the Maratha army. They later became the de facto hereditary administrators of the Maratha Empire

Maratha Empire

The Maratha Empire or the Maratha Confederacy was an Indian imperial power that existed from 1674 to 1818. At its peak, the empire covered much of South Asia, encompassing a territory of over 2.8 million km²....

 from 1749 till its end in 1818.

Under Peshwa administration and with the support of several key generals and diplomats (listed below), the Maratha Empire

Maratha Empire

The Maratha Empire or the Maratha Confederacy was an Indian imperial power that existed from 1674 to 1818. At its peak, the empire covered much of South Asia, encompassing a territory of over 2.8 million km²....

 reached its zenith, ruling most of the Indian subcontinent

Indian subcontinent

The Indian subcontinent, also Indian Subcontinent, Indo-Pak Subcontinent or South Asian Subcontinent is a region of the Asian continent on the Indian tectonic plate from the Hindu Kush or Hindu Koh, Himalayas and including the Kuen Lun and Karakoram ranges, forming a land mass which extends...

 landmass.