Mr. Hariharan is a practicing Chartered Accountant. He teaches Costing & Financial Management and Advanced Management Accounting at The Institute of Chartered Accountants of India (ICAI), SIRC of ICAI – Chennai, Bangalore, Calicut, Ernakulam, Mysore, Coimbatore, Palghat, Kumbakonam, Trivandrum, Tirupati, Erode, Pondicherry &Alleppey and other reputed Institutions at Bangalore, Hyderabad, Cochin, Calicut, Chennai, Coimbatore and Mumbai.
Mr. Hariharan is a B.Com Gold Medalist and he has more than 10 Years of Experience in Teaching CA Students. He is fondly known as Costing Guru by students. His 38 Hours of continuous class for CA Final Students at ICAI Trivandrum branch stands evident for his untiring commitment towards student fraternity.
He has authored 8 different books for the Student Fraternity.