The contents here are developed by Dr Om Prakash, Asst. Professor (CHEMISTRY), SKBB GOVT. PG COLLEGE HARAKH BARABANKI UP, Dept of Higher Education Govt. of U.P. India. I come with 20+ years of experience in teaching, guiding and mentoring students aspiring to enter the premier institutes of India such as IITs, NITs and medical colleges. Several of my students are currently well placed in different fields including but not limited to civil services, research academia & start-up firms.