Which Indian airport has become the first airport in the Asia-Pacific region to achieve carbon neutral status?

Which Indian airport has become the first airport in the Asia-Pacific region to achieve carbon neutral status?
[A]Veer Savarkar International Airport
[B]Sardar Vallabhbhai Patel International Airport
[C]Indira Gandhi International Airport
[D]Chhatrapati Shivaji International Airport

Indira Gandhi International Airport
The Indira Gandhi International (IGI) Airport in New Delhi has become the first airport in the Asia-Pacific region to achieve carbon neutral status. With this, the airport carbon accreditation has upgraded Delhi Airport to “Level 3+, Neutrality”, which is the highest level of achievement available to airports across the world. The carbon neutral status to IGI airport was given by Airports Council International (ACI) during the Airport Carbon Accreditation certificate presentation ceremony held in Montreal, Canada on September 27, 2016. The carbon neutrality status is granted if the net carbon emission over an entire year is zero. This means the airport absorbs or offsets the same amount of emission that is generated. The Delhi International Airport Limited (DIAL) is a GMR Group-led consortium which manages and operates IGI airport.

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