Context: Indira Gandhi International Airport, situated to the southwest of Delhi, is the main gateway for the city's domestic and international civilian air traffic. In 2012-13, the airport was used by more than 35 million passengers, making it one of the busiest airports in South Asia. Terminal 3, which cost ₹96.8 billion (US$1.4 billion) to construct between 2007 and 2010, handles an additional 37 million passengers annually.

Question: What major airport is located to the southwest of Delhi?
Answer: Indira Gandhi International Airport

Question: Approximately how many passengers used Indira Gandhi Airport from 2012-2013?
Answer: 35 million

Question: How much money did Terminal 3 of Indira Gandhi International Airport cost to construct?
Answer: ₹96.8 billion

Question: How many passengers use Terminal 3 of Indira Gandhi Airport each year?
Answer: 37 million

Question: What year was construction of Terminal 3 of Indira Gandhi airport finished?
Answer: 2010