GUEST EDITORS GUEST EDITORS Dr B Sridhar Babu Professor of M.E,. MREC, Hyderabad, India Sooraj H NandyalaUniversity of BirminghamUnited Kingdom Dr. Alessandro RuggieroProfessor,University of Salerno, Italy Dr N Easwara PrasadFormer outstanding scientist H, Ex Director.DRDO, Kanpur, India Dr. Kaushik KumarAssociate Professor of M.E., Birla Instiute of Technology, Mesra, Ranchi, Jharkand, india Dr Mohd Rizal AlkahariAssociate Professor of M.E.,Universiti Teknikal Malaysia Melaka (UTeM), Melaka, MALAYSIA Dr. K Chandra shekarProfessor of M.E.,Vignan Institute of Technology & ScienceHyderabad,, India Dr Abu saleh AhmedAssociate ProfessorUniversity of technology sarawakMalaysia Deepa kodaliAssociate ProfessorChristian Brothers University, USA Dr S.V PrabhakarAssistant Professor Yeungnam University South Korea Dr A. Kumara SwamyProfessor of M.E., & HeadDefence Institute of Advanced TechnologyPune, India Dr. Amarnath Reddy ManchuriResearch Professor Kyungpook National University DaeguRepublic of Korea.