Kempegowda International Airport, Bengaluru (BLR Airport) has the unique distinction of being the first Greenfield Airport in India, established on a Public-Private Partnership (PPP) model. This heralded a revolution in Indian aviation as more airports in the Country were privatised, thereafter. In January 2001, Bangalore International Airport Limited (BIAL), formed under the Companies Act, 1956, was incorporated to build, own and operate BLR Airport for a 60-year concession period. Private promoters hold a 74% stake (Anchorage Infrastructure Investments Holdings Limited: 43.64%; FIH Mauritius Investments Limited: 10.36% and Siemens Projects Ventures: 20%), while the Government (Karnataka State Industrial & Infrastructure Development Corporation Limited: 13%; Airports Authority of India: 13%) hold the remaining 26%.