B. S. Shantharaju

Ramky Enviro Engineers Ltd. provides waste management services. It offers recycling facilities for metals, oil, solvents, paper and plastic. The company was founded by Alla Ayodhya Rami Reddy in 1994 and is headquartered in Hyderabad, India.

Indus Towers Ltd. provides shared telecom infrastructure services. The company was founded in November 2007 and is headquartered in Gurgaon, India.

Delhi International Airport Ltd. designs, builds, operates and maintains the airport. Its facilities include terminals for airlines for passenger and cargo aircraft operations, business lounges, recreation facilities, baggage services inside the airport, eating places, retail shops and duty-free retail stores. The company was incorporated on March 01, 2006 and is headquartered in New Delhi, India.

Gujarat Gas Co. Ltd. engages in the exploration and production of oil and natural gas. The company distributes the oil and gas through pipelines from sources of supply to centers of demand and to the end customers. It builds pipelines required to make the gas available to the end customer. The company is also engages in the information technology infrastructure business. Gujarat Gas was founded on January 17, 1980 and is headquartered in Ahmedabad, India.