Special Issue 4th International Conference on Current Research in Engineering Science and Technology (ICCREST-2019), Jayaram College of Engineering & Technology, Trichy, India. Civil Engineering Articles ICCREST - Part1 Computer Science Engineering Articles ICCREST - Part1 Electrical and Electronics Engineering Articles ICCREST - Part1 Electronics and Communication Engineering Articles ICCREST - Part1 Mechanical Engineering Articles ICCREST - Part1