The primary objective of this study is investigation and identification of stable storage condition for drug in the solid state and identification of compatible excipients for a formulation to ensure the efficacy, safety, quality of active drug substance and dosage forms, to establish shelf life or expiration period and to support label claims, to gain information about its packaging, assess the condition of the product on storage on prolong period of time, determine compatibility of drug with excipients and other additives and to determine the dosage form in which the drug is most suitable.