As one drives down the new 16-lane elevated Dwarka Expressway that is 27.6 km-long and connects Delhi to Gurugram in Haryana, the sprawling urban cityscape filled with towering highrises rushes past. Prominent real estate giants such as DLF, Godrej, Central Park and M3M are adopting sustainable and energy-efficient building designs and green construction techniques to reduce carbon footprint. While Central …