the earliest reference of the word Haryana is found in
Answers
State of East Punjab previously is Haryana which on 1 Nov 1966 on a certain grounds is one of the 29 states in India.
Situated in North India with less than 1.4% of India's land area it is ranked 22nd in terms of area.
Chandigarh is capital Faridabad in NCR is the most populous city of the state and the Gurugram is the financial hub of NCR with major Fortune 500 companies located in it.
Answer is Chahamana.
Few more details about the history of the term 'Haryana' is as follows:
During the period 1133 to 1151 Anno Domini, the king named Arnoraja ruled the Chauhan empire. There were many stone inscriptions which depicts his history.
Earliest name of the Haryana was Haritanaka. This is referred in one of the inscriptions of Chahamanas, which describes the king carrying weapons to Haritanaka.
Hope it helps. Thanks!