Siddhi Nath Rajan is having more than 20 years of experience of teaching, and working with prominent research institution and industries. He has worked on various projects related to OOPs concepts and methodologies. Presently, he is working as Assistant Professor in IMS Engineering College Ghaziabad. He has presented several papers in National and International seminars, conferences and workshops. His papers have also been published in journal of national and international reputes.