Often, we are encountered with the assessment of people’s capabilities and potentials in various settings like schools, families, management of human resource clinical settings, career counseling, etc. The success of assessment largely depends on the instrument used for collection of data needless to mention that improperly constructed scale may lead to biased and spurious results. Often scale development is taken as a casual activity particularly in nonacademic sphere, though there is complete science involved in the development of scales. it becomes imperative on the part of researcher to know the nuances of scales. This certificate course aims to expose students, researchers, practitioners, and HR professionals to the academic realities of scales more in terms of foundations underlying in developing and validating the scales. This course will focus usability of scales as well as development of new psychometric instrument particularly in Indian context