On the occasion of Hindi Day various programmes and activities were organized at North Bengal Science Centre, Siliguri. On this occasion the role of Hindi in Nation Freedom Movement, its role in present scenario and future projection in the development of the nation were illustrated by Project Co-ordinator of the centre. He marked Hindi as one of the major aspects affecting national integrity and development and call upon the audiences to make the language more inclusive and harmonious so as to make it the language of the common man in real sense. He established that Hindi is the vital tool to popularize science in the grass root level. An informative popular lecture on Dengue was delivered by Mr. Vipin Gupta to address the current issue of Dengue in the region and create awareness about the same. Different type of competitions such slogan writing, speech, poetry and quiz were organized for school children as well as among office staff.