Rohtak  Pronunciation (help·info) City is a Municipal Corporation in Rohtak district that styles itself as the "Heart of Haryana". It is located 70 km Northwest of New Delhi and 210 km South of the state capital Chandigarh at the NH 10. Rohtak forms a part of National Capital Region II and is a satellite city of New Delhi.

Rohtak has several major educational institutions and is sometimes known as Education City.^{[dubious – discuss]}

Rohtak is said to be a corruption of Rohtashgarh, a name still applied to the ruined sites of two older sites, one lying immediately north of the present town and other about 5 km towards the east.^{[citation needed]} Traditionally, it is named after Raja Rohtash, in whose days the city is said to have been built.^{[citation needed]} It is also claimed that the town derives its name from the Roherra (Tacoma undulate) tree called Rohitaka in Sanskrit.^{[citation needed]} It is said that before the town came into existence it was the site of a forest of Rohitaka trees and hence the city's name became Rohtak.
As per another theory the city came into existence around 500 BC. It was mentioned as Rohitaka Kūla, Rohitaka Giri or Rohitakapura in Vedic Text and as per tradition the city is said to be founded by Rohit, the son of Harishcandra^{[citation needed]}

Arvind Kumar Kejriwal (born 16 June 1968) is a retired Indian Revenue Service officer and an Indian social activist fighting for greater transparency in Government. He was awarded Ramon Magsaysay Award for Emergent Leadership in 2006, for activating India's Right to Information movement at grassroots and social activities to empower the poorest citizens to fight corruption by holding the government answerable to the people. Kejriwal is also a Saathi (fellow) of the Association for India's Development, a Global Impact award winning NGO.

Arvind Kejriwal was born in a Marwari family in Hissar, Haryana in 1968. His father was an engineer and he spent most of his childhood living in small northern Indian towns like Sonepat, Mathura and Hissar. He did his schooling from Campus School. Kejriwal graduated from IIT Kharagpur as a Mechanical engineer in 1989.

Kejriwal joined Tata Steel right after his graduation from IIT Kharagpur. Kejriwal quit his job with Tata Steel in 1992^{[citation needed]} and spent some time working with Mother Teresa's Missionaries of Charity in Kolkata, the Ramakrishna Mission in the North-East India and Nehru Yuva Kendra.

Mukesh Dhirubhai Ambani (Gujarati: મુકેશ ધીરુભાઈ અંબાની) (born on 19 April 1957) is an Indian business magnate who is the chairman and managing director of the Indian conglomerate Reliance Industries Limited (RIL), the foremost company of the Indian energy and materials conglomerate Reliance Group. The company was ranked #134th in Fortune Global 500 and is India's most valuable company by market value and second-largest Indian company by turnover. Ambani remains the largest individual shareholder, with 44.7 percent stake in RIL. The company is the operator of the world’s biggest oil refining complex and owner of India’s biggest natural gas field. Mukesh's younger brother is Anil Ambani, who heads Reliance Group. The Ambani family is the richest family in India and one of the richest in the world, their wealth inherited from Dhirubhai Ambani, founder of 2nd largest Indian conglomerate Reliance Group (after Tata Group).

In 2010, he was named among the most powerful people in the world by Forbes in its list of "68 people who matter most" As of 2012, he is the second richest man in Asia and the 19th richest person in the world with a personal wealth of US$22.3 billion. In 2007, a strong rally in the Indian stock market and the appreciation of the Indian rupee boosted the market capitalisation of Reliance group companies, briefly making him the world’s richest man.