GVK Airport Holdings Private Limited (GAHPL), a subsidiary of infrastructure giant GVK Power & Infrastructure Limited, operates and manages the Mumbai International Airport (MIAL) has bought an additional 13.5 percent in MIAL from its South African partner, Bid Services Division (BSDM) for $280 million (approximately Rs. 1200 crore). As a result GVK scales up its stake to just over 50 percent.