Buildings in India were traditionally built with a high thermal mass (brick, stone masonry) and used natural ventilation as their principal ventilation and cooling strategy. However, contemporary office buildings are energy-intensive and increasingly make use of steel, aluminium and glass as primary materials for construction. These resource-intensive materials, their processes and operations require a high level of fossil fuel use. According to UNEP, approximately 80 to 90 per cent of the energy a building uses during its entire life cycle is consumed for heating, cooling, lighting, and other appliances. The remaining 10 to 20 per cent is consumed during the construction, material manufacturing, and demolition phases (United Nations Environment Programme, 2010). It is therefore imperative to aggressively manage building energy efficiency and include a slew of (ECMs) as important metrics in the integrated whole-building design. These ECMs have to be planned during the design stage to achieve large, but relatively...