Madapuri Rudra Kumar holds a Ph.D degree in Computer Science from Jawaharlal Nehru Technological University, Anantapur, Andhra Pradesh, India. Presently he is working as a Professor & Head, in Computer Science & Engineering department, Annamacharya Institute of Technology and Sciences. Rajampet. He has 16 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Software Engineering, Data Mining, Machine Learning, etc. He is a member of various Professor Bodies. Annaluri Sreenivasa Rao holds a Ph.D degree in Computer Science from Sri Venkateswara University. Presently he is working as a Asst. Professor in the department Information Technology, VNR Vignana Jyothi Institute of Engineering and Technology. Hyderabad. He has 20 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Text Mining, Machine Learning, Software Engineering etc. He is a member of various Professor Bodies. Dr. Kalli Srinivasa Nageswara Prasad is a professor of Computer Science and Engineering Department in GVVR Institute of Technology, Bhimavaram affiliated to Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh. He received his Ph.D. in Data Mining from Sri Venkateswara University, Tirupathi. He obtained M.Tech degree in Computer Science and Engineering from JNTUK Kakinada, M.S. degree in Software Systems from BITS-Pilani, AMIE in Computer Science and Engineering from Institution of Engineers(India). He has more than 20 years of teaching experience. He has published around 21 research papers in reputed National & International journals and attended many workshops and conferences. Many of the students have guided in their projects & thesis. His research interests are Data Mining & Big Data. He is a life member of ISTE & IEI. Vinit Kumar Gujan is a Associate Professor in Department of Computer Science & Engineering at CMR Institute of Technology Hyderabad (Affiliated to Jawaharlal Nehru Technological University, Hyderabad). An active researcher; published research papers in IEEE, Elsevier & Springer Conferences, authored several books and edited volumes of Springer series, most of which are indexed in SCOPUS database. Awarded with the prestigious Early Career Research Award in the year 2016 by Science Engineering Research Board, Department of Science & Technology Government of India. Senior Member of IEEE, An active Volunteer of IEEE Hyderabad section; volunteered in the capacity of Treasurer, Secretary & Chairman of IEEE Young Professionals Affinity Group & IEEE Computer Society. Was involved as organizer in many technical & non-technical workshops, seminars & conferences of IEEE & Springer. During the tenure I had an honour of working with top leaders of IEEE and awarded with best IEEE Young Professional award in 2017 by IEEE Hyderabad Section.

• 1. Introduction. 2. The Nomenclature. 3. Change Impact Analysis in Software Versioning: Issues and Challenges. 4. Change Impact Analysis Methods: The Review of Contemporary Literature. 5. Change Impact Analysis in Maintenance Projects. 6. Observations and Future Research Possibilities.

Madapuri Rudra Kumar holds a Ph.D degree in Computer Science from Jawaharlal Nehru Technological University, Anantapur, Andhra Pradesh, India. Presently he is working as a Professor & Head, in Computer Science & Engineering department, Annamacharya Institute of Technology and Sciences. Rajampet. He has 16 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Software Engineering, Data Mining, Machine Learning, etc. He is a member of various Professor Bodies. Annaluri Sreenivasa Rao holds a Ph.D degree in Computer Science from Sri Venkateswara University. Presently he is working as a Asst. Professor in the department Information Technology, VNR Vignana Jyothi Institute of Engineering and Technology. Hyderabad. He has 20 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Text Mining, Machine Learning, Software Engineering etc. He is a member of various Professor Bodies. Dr. Kalli Srinivasa Nageswara Prasad is a professor of Computer Science and Engineering Department in GVVR Institute of Technology, Bhimavaram affiliated to Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh. He received his Ph.D. in Data Mining from Sri Venkateswara University, Tirupathi. He obtained M.Tech degree in Computer Science and Engineering from JNTUK Kakinada, M.S. degree in Software Systems from BITS-Pilani, AMIE in Computer Science and Engineering from Institution of Engineers(India). He has more than 20 years of teaching experience. He has published around 21 research papers in reputed National & International journals and attended many workshops and conferences. Many of the students have guided in their projects & thesis. His research interests are Data Mining & Big Data. He is a life member of ISTE & IEI. Vinit Kumar Gujan is a Associate Professor in Department of Computer Science & Engineering at CMR Institute of Technology Hyderabad (Affiliated to Jawaharlal Nehru Technological University, Hyderabad). An active researcher; published research papers in IEEE, Elsevier & Springer Conferences, authored several books and edited volumes of Springer series, most of which are indexed in SCOPUS database. Awarded with the prestigious Early Career Research Award in the year 2016 by Science Engineering Research Board, Department of Science & Technology Government of India. Senior Member of IEEE, An active Volunteer of IEEE Hyderabad section; volunteered in the capacity of Treasurer, Secretary & Chairman of IEEE Young Professionals Affinity Group & IEEE Computer Society. Was involved as organizer in many technical & non-technical workshops, seminars & conferences of IEEE & Springer. During the tenure I had an honour of working with top leaders of IEEE and awarded with best IEEE Young Professional award in 2017 by IEEE Hyderabad Section.

• 1. Introduction. 2. The Nomenclature. 3. Change Impact Analysis in Software Versioning: Issues and Challenges. 4. Change Impact Analysis Methods: The Review of Contemporary Literature. 5. Change Impact Analysis in Maintenance Projects. 6. Observations and Future Research Possibilities.

Madapuri Rudra Kumar holds a Ph.D degree in Computer Science from Jawaharlal Nehru Technological University, Anantapur, Andhra Pradesh, India. Presently he is working as a Professor & Head, in Computer Science & Engineering department, Annamacharya Institute of Technology and Sciences. Rajampet. He has 16 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Software Engineering, Data Mining, Machine Learning, etc. He is a member of various Professor Bodies. Annaluri Sreenivasa Rao holds a Ph.D degree in Computer Science from Sri Venkateswara University. Presently he is working as a Asst. Professor in the department Information Technology, VNR Vignana Jyothi Institute of Engineering and Technology. Hyderabad. He has 20 years of Teaching experience, He Published and Presented papers in National and International Journals, Conferences, Seminars. His research interest includes Text Mining, Machine Learning, Software Engineering etc. He is a member of various Professor Bodies. Dr. Kalli Srinivasa Nageswara Prasad is a professor of Computer Science and Engineering Department in GVVR Institute of Technology, Bhimavaram affiliated to Jawaharlal Nehru Technological University, Kakinada, Andhra Pradesh. He received his Ph.D. in Data Mining from Sri Venkateswara University, Tirupathi. He obtained M.Tech degree in Computer Science and Engineering from JNTUK Kakinada, M.S. degree in Software Systems from BITS-Pilani, AMIE in Computer Science and Engineering from Institution of Engineers(India). He has more than 20 years of teaching experience. He has published around 21 research papers in reputed National & International journals and attended many workshops and conferences. Many of the students have guided in their projects & thesis. His research interests are Data Mining & Big Data. He is a life member of ISTE & IEI. Vinit Kumar Gujan is a Associate Professor in Department of Computer Science & Engineering at CMR Institute of Technology Hyderabad (Affiliated to Jawaharlal Nehru Technological University, Hyderabad). An active researcher; published research papers in IEEE, Elsevier & Springer Conferences, authored several books and edited volumes of Springer series, most of which are indexed in SCOPUS database. Awarded with the prestigious Early Career Research Award in the year 2016 by Science Engineering Research Board, Department of Science & Technology Government of India. Senior Member of IEEE, An active Volunteer of IEEE Hyderabad section; volunteered in the capacity of Treasurer, Secretary & Chairman of IEEE Young Professionals Affinity Group & IEEE Computer Society. Was involved as organizer in many technical & non-technical workshops, seminars & conferences of IEEE & Springer. During the tenure I had an honour of working with top leaders of IEEE and awarded with best IEEE Young Professional award in 2017 by IEEE Hyderabad Section.

• 1. Introduction. 2. The Nomenclature. 3. Change Impact Analysis in Software Versioning: Issues and Challenges. 4. Change Impact Analysis Methods: The Review of Contemporary Literature. 5. Change Impact Analysis in Maintenance Projects. 6. Observations and Future Research Possibilities.