RDT has been appointed to perform microclimatic analysis for the proposed development project in Kolkata. Various studies, simulations and analysis with multiple design iterations & parameters were carried out to understand the impact of the proposed development on its surroundings and vice versa. Comprehensive studies for Daylight analysis, Shadow impact analysis, Urban Heat Island Effect, Internal and External CFD and ventilation analysis, Life cycle impact (LCA) performed and relevant mitigation measures suggested with effective & appropriate solution to minimize and reduce the impact wherever possible, also to make the project environmentally sustainable during its lifecycle.