was it done under any company?
Yes, Tata Group, Raytheon and Singapore Changi Airport
Kempegowda International Airport
In December 1995, a consortium consisting of Tata Group, Raytheon and Singapore Changi Airport signed a memorandum of understanding with the State Government regarding participation in the project.
what is the structural design of gvk's kempegowda international airport based on When a study predicted the airport would receive 6.7 million passengers in 2008, the airport was redesigned from its initial capacity of 4.5 million passengers to 11 million, with the terminal size expanded and the number of aircraft stands increased. when did its planning begin? March 1991
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Kempegowda International Airport [SEP] Planning (1991–2004)
In December 1995, a consortium consisting of Tata Group, Raytheon and Singapore Changi Airport signed a memorandum of understanding with the State Government regarding participation in the project. In June 1998, however, the consortium announced it was pulling out of the project due to delays in government approval. These included disputes over the location of the airport and the fate of HAL Airport. In May 1999, the Airports Authority of India (AAI) and the Karnataka State Industrial and Infrastructure Development Corporation (KSIIDC) of the State Government signed a memorandum of understanding regarding the nature of the project. It would be a public–private partnership, with AAI and KSIIDC having a 26% share and private companies having the remaining 74%.