|Pharmacology which is the branch of medicine and biology deals with the study of drug action in which psychiatric pharmacology deals with study of the drugs which have effect on thinking, mood, sensation and behavior. The drugs which effects nervous system are known as psychoactive drugs. Psychoactive drugs interact with particular receptors or target sites found in the nervous system to induce widespread changes in physiological or psychological functions. Online Journals are scholarly and peer reviewed journals. The journals provide forum and motivates scientists, researchers, academics, engineers, and practitioners in all aspects to share their professional and academic knowledge in the fields computing, engineering, humanities, economics, social sciences, management, medical science, and related disciplines. Online Journals also aims to reach a large number of readers worldwide with original and current research work completed on the vital issues of the above important disciplines. The journals permit all readers to read, view, download and print the full-text of all published articles without any subscription or restrictions.