Prof. Nagaraja did his M.Com. from Bangalore University in the year 1991 and M.Phil. from MKU University, Tamilnadu and selected his profession as a teacher. He commenced his journey as a teacher and served for many colleges of Bangalore University: Government First Grade College Malur, Kolar District; Vivekananda First Grade College, Rajajinagar Bengaluru; Maharanis College Bengaluru; Vasavi Jnana Peetha First Grade Evening College, Bengaluru; Adarsha Composite College, RT Nagar Bangalore; Seshadripuram First Grade College Yelahanka, Bengaluru, then joined to Government First Grade College, Pavagada, Tumkur District as Assistant Professor and HOD of Commerce and Management, then he worked at GFGC Madhugiri as Assistant Professor and HOD of Commerce and Management and at present, he is working as HOD of Commerce at Government First Grade Womens College, Tumkur. He is having totally 33 years of teaching experience especially in the field of Accounting. He delivered his lecture as a resource person at many reputed institutions of Tumkur University.