What happens when a $108.78-billion company rules with a conscience? It transforms its historic headquarters to hum organically within and engage with public space outside with pride, passion and uncommon civic sense.

Bombay House, the Tata Group's headquarters at Fort, just became the country's first heritage building to receive the prestigious Platinum rating from the Indian Green Building Council, assessed on sustainability parameters like site, energy, water, waste, indoor environment quality and other innovations.