In the pharmaceutical R&D the evaluation procedures play a key role in developing a potent graded product focusing on the various technical advancements it’s easy to overcome hazards.Emphasis is placed on the product’s development to reach specifications of USFDA ,US Pharmacopeia, National Formulary for achieving standards that provide insight on evaluation techniques of drug formulation.Adoption of guidance’s and guidelines cited will strive for achieving good laboratory practice(GLP) good clinical practice(GCP) and good manufacturing practice(cGMP).Embracing  statistical approach provides accuracy and reliability of results.