Photo courtesy of JSW Severfield Structures Ltd The tower's splayed legs help reduce vibrations caused by the wind. At a height of 274.9 ft, a new air traffic control tower for Chhatrapati Shivaji International Airport in Mumbai is India's tallest control tower. The high-tech structure, intended as an architectural icon and symbol of India's advancement, currently ranks as the fourth tallest control tower in the world.Next year, when a 446-ft-tall tower under construction in Jeddah opens, the $16-million Mumbai tower will fall to fifth place in the ranking. The current tallest is the 361-ft tower at Cairo's airport, according to

Courtesy CII-Godrej GBC The CII-Sohrabji Godrej Green Business Centre in Hyderabad was one of the first commercial buildings in India to have a green roof. Courtesy CII-Godrej GBC A green roof atop British Gas House, an Indian Green Building Council platinum-rated project in Mumbai. Related Links: The 10 Largest Green Roofs India's Green Business Center Call them what you like—green roofs, sky gardens, green terraces—these vegetated patches atop buildings are gaining ground in India. Technology and climate is playing an important role in their environmental payback.Adopted primarily for their ability to mitigate the heat island effect in an urban environment,

India's fuel challenge is economic, political and logistical.