All the chapters included in this book are the selected/accepted papers for presentation after peer review of special session 'Computer Science & IT' of 2nd International Research Conference on ¿Business Process Re-engineering for Sustainability & Climate Change: Issues & Perspectives¿ held on 26th Feb 2017. Content of the Book: Chapter 1: Neoteric Energy Efficient ZRP Based Routing Approach. Chapter 2: Application of Clustering Techniques to Determine the Improvement in Water Quality of 17 Selected Indian Rivers. Chapter 3: KURIR: ANDROID BASED SOCIAL MESSAGING APPLICATION. Chapter 4: Sudoku Solver and Analyzer. Chapter 5: SSCE: Shape Size Color Estimation of Object using OpenCV. Chapter 6: Snake Bite Detection And Treatment System. Chapter 7: Voice Transmission through WiFi.

1) Deepak Gupta, Asst Prof at Maharaja Agrasen Inst of Tech, Delhi. He has submitted his Ph.D. to AKTU, Lucknow. He has authored 24 books and publish 18 research papers. 2) Dr. Ashish Khanna, Asst Prof at Maharaja Agrasen Inst of Tech, Delhi. He had received his Ph.D. from NIT, Kurukshetra. He has authored 8 books and published 13 research paper.