Validation plays vital role in pharmaceutical industry. The procedure carried out in production or testing, maintains the desired level of compliance at all stages which produces appropriate results is known as validation. This process will consistently produce the expected results in addition to final testing and compliance of products. The specifications of outcome for the process are established with desired results. The process of validation involves qualification of systems and equipment. Food, drug and pharmaceutical regulating agencies such as the US FDA and their good manufacturing practices guideline require the process of validation for checking and providing the validity of the product. Pharmacovigilance and Pharmacoepidemiology Journal offer a stage in Pharmacoepidemiology Researches and related subjects. Journal accepts leading forefront original research papers, review manuscripts, case reports and commentary in the field. Our target audience, readers and contributors are worldwide.