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Professor (Dr.) Rajender Singh Chhillar is a professor at the Department of Computer Science, Maharshi Dayanand University, Rohtak, Haryana. He has been teaching in the fields of computer science and engineering since 1987 and is one of the founder members of the Department. He obtained his master’s degree from Kurukshetra University, Kurukshetra and Ph.D in computer science from Maharshi Dayanand University, Rohtak, Haryana. He received his master of business administration (MBA) degree from Sikkim Manipal University.
During his service in Maharshi Dayanand University, Rohtak, Professor Chhillar held important positions as:

• Head, Deptt. of Computer Science, Maharshi Dayanand University (MDU), Rohtak.
• Director, University Institute of Engineering & Technology( UIET),  MDU, Rohtak
• Director, Computer Centre, MDU, Rohtak.
• Chairman, Board of Studies, MDU, Rohtak
• Member, Executive and Academic Councils, MDU, Rohtak

He has visited many countries including France, Hong Kong, China, U.K, Dubai and Nepal. He also won the best paper award in International Conference ICCEE- 2013 held in Paris, France during October 12-13, 2013 and also chaired a session in this conference. 
Professor Chhillar is a director of board, CMAI Asia Association, New Delhi and senior member of IACSIT, Singapore and a member of Computer Society of India. Professor Chhillar has been serving as an editorial board member, guest editor and a reviewer of multiple international journals, and serving as a program committee chair, keynote speaker and session chair of multiple international conferences. He also performs advisory work to Government agencies and academic bodies.
His research interests include software engineering, software testing, software metrics, web metrics, bio metrics, data warehouse and data mining, computer networking, and software design. He has published more than 100 journal and 65 conference papers over the last several years and has also written two books in the fields of software engineering and information technology.
He has taught a wide variety of computer courses at University Teaching Departments including software engineering, data structures, data base management system, software testing and quality assurance, software quality management, programming languages, and software design.