Process Audit mainly evaluates the effectiveness and efficiency of organization procedures .By which the company may achieve a better place in the industry .To get better recognition it is important to get certifications like ISO 9000,ISO 27001.ISO standards ensure the international standards so it is a very important certification .Each ISO standards has its own specialities .For example ISO 9000  is important for quality .In the current scenario CMM,CMMI are more relevant. CMM ,CMMI helps to study and make professionals to understand better way to make the organizations become more success .By going through different stages companies can attain these certification