Tab Article Prof. b. N. Srinivas working as professor an Director R & D and Admissions, usha Rama College of Engineering Vijayawada. He as 25 years of experience in teaching. P. Kishore working as Assist and Professor in the Department of Chemistry usha Rama College of Engineering Vijayawada. He has 11 years of Experience in teaching. K Subba Rao working as Assist and Professor in the Department of Chemistry usha Rama College of Engineering Vijayawada. He has 11 years of Experience in teaching.