worked as the professor of Pharmacognosy and Phytochemistry, Sri Rama Krishna college of Pharmacy, Coimbatore worked as the Principal of chemist college of Pharmaceutical sciences, Cochin, Kerala worked as the Director, crescent college of Pharmaceutical sciences,Kannur, Kerala, India worked as the Herbal drug expert, and senior specialist pharmacist at the Directorate of Pharmaceutical affairs and drug control, Ministry of health, Muscat, Sultanate of Oman worked as the Principal of mar dioscorus college of Pharmacy, Thiruvananthapuram, Kerala India worked as the Principal of Vidya sree college of Pharmacy, Bangalore, Karnataka India working as the Professor and head, PPG College of Pharmacy Coimbatore.