Nawab Ali Mohammad Khan belonged to the Mohsin zai clan of the Khogiani tribe. He was given the title of Nawab

Nawab

A Nawab or Nawaab is an honorific title given to Muslim rulers of princely states in South Asia. It is the Muslim equivalent of the term "maharaja" that was granted to Hindu rulers....

 by Ahmad Shah Durrani

Ahmad Shah Durrani

Ahmad Shah Durrani , also known as Ahmad Shāh Abdālī and born as Ahmad Khān, was the founder of the Durrani Empire in 1747 and is regarded by many to be the founder of the modern state of Afghanistan.Ahmad Khan enlisted as a young soldier in the military of the Afsharid kingdom and quickly rose...

 because with his help Multan

Multan

Multan , is a city in the Punjab Province of Pakistan and capital of Multan District. It is located in the southern part of the province on the east bank of the Chenab River, more or less in the geographic centre of the country and about from Islamabad, from Lahore and from Karachi...

 became the part of Durrani Empire

Durrani Empire

The Durrani Empire was a Pashtun dynasty centered in Afghanistan and included northeastern Iran, the Kashmir region, the modern state of Pakistan, and northwestern India. It was established at Kandahar in 1747 by Ahmad Shah Durrani, an Afghan military commander under Nader Shah of Persia and chief...

. He was appointed as the governor of Multan

Multan

Multan , is a city in the Punjab Province of Pakistan and capital of Multan District. It is located in the southern part of the province on the east bank of the Chenab River, more or less in the geographic centre of the country and about from Islamabad, from Lahore and from Karachi...

for his services. He built the famous Mosque Ali Mohammad khan in Chowk bazaar and also constucted the Ali Mohammad Canal and developed Agriculture in the province.