Manj are a [Rajput/jat] sub-clan from the Punjab region

Punjab region

The Punjab , also spelled Panjab |water]]s"), is a geographical region straddling the border between Pakistan and India which includes Punjab province in Pakistan and the states of the Punjab, Haryana, Himachal Pradesh, Chandigarh and some northern parts of the National Capital Territory of Delhi...

 of India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

 and Pakistan

Pakistan

Pakistan , officially the Islamic Republic of Pakistan is a sovereign state in South Asia. It has a coastline along the Arabian Sea and the Gulf of Oman in the south and is bordered by Afghanistan and Iran in the west, India in the east and China in the far northeast. In the north, Tajikistan...

. Basically they are agriculturalists.
The Indo-Aryan languages (within the context of Indo-European studies also Indic) constitutes a branch of the Indo-Iranian languages, itself a branch of the Indo-European language family. Indo-Aryan languages, includes punjabi and Urdu which is widely spoken by manjs.
Raja Salvihana, 3100 years from Krishna, from whom he was 26th in descent, had 84 sons, among whom were Tavesar, ancestor of the Tunwars, Ras Tavas, ancestor of the Taonis of Ambala, and Bisal, ancestor of the Bhattis.