The correct answer is: Dr. H. R. Gupta.
Dr. H. R. Gupta was an Indian historian and archaeologist who specialized in the history of Haryana. He was the author of several books on the subject, including “Haryana Through the Ages” and “History of Haryana.” In his book “Haryana Through the Ages,” Dr. Gupta states that the region of Haryana was called Haridhanakya in ancient times.
Dr. Budh Prakash was an Indian historian who specialized in the history of medieval India. He was the author of several books on the subject, including “History of Medieval India” and “The Sultanate of Delhi.” In his book “History of Medieval India,” Dr. Prakash does not mention the region of Haryana being called Haridhanakya.
Rahul Sankrityayan was an Indian historian, linguist, and writer. He was the author of several books on the subject of Indian history, including “Ancient India” and “Medieval India.” In his book “Ancient India,” Rahul Sankrityayan does not mention the region of Haryana being called Haridhanakya.
Yadunath Sarkar was an Indian historian who specialized in the history of ancient India. He was the author of several books on the subject, including “History of Ancient India” and “The Age of the Nandas and Mauryas.” In his book “History of Ancient India,” Yadunath Sarkar does not mention the region of Haryana being called Haridhanakya.