Housing Development & Infrastructure (HDIL) has received a letter of intent (LoI) for the airport slum rehabilitation project and removal of slums from encroached airport land from Mumbai International Airport (MIAL).According to a release issued by HDIL to the BSE today, the company has also executed an agreement for rehabilitation and development of slums around the Chhatrapati Shivaji International Airport in Mumbai, and development of part of the cleared land.