A positive organisational climate at workplace motivates employees, increases morale, enhances the company's profile, and attracts new talent. Climate properties can have a significant impact on every aspect of the workplace, from productivity to interpersonal relationships. This article will explain how to create an excellent organisational climate in your workplace to make it a more productive and fulfilling environment. This paper aims to analyse the most important determinants of organisational climate on employee's job satisfaction in IT industry in Chennai. The descriptive research design was used in this study and a simple random sampling method is used to collect the data. The sample for the present study will consist of approximately 347 employees. The descriptive statistics, regression and correlation are to measure the degree of relationship between the independent and dependent variables. . It is clearly indicated that the organisational climate dimensions are having a significant effect on the employee job satisfaction.