Adani Airport Holdings Ltd (AAHL), the flagship holding company of the Adani group for its airports business, has acquired an additional 23 per cent stake in Mumbai International Airport Ltd (MIAL) from ACSA Global Ltd (ACSA) and Bid Services Division (Mauritius) Ltd or Bidvest for Rs 1,684.25 crore. With this, the Gautam Adani-led group will have a 74 per cent stake in MIAL with the rest being held by the Airports Authority of India (AAI). In August, the group had said it would acquire GVK Airport Developers’ (GVKADL) 50.50 per cent stake in MIAL. The group had then said that it was also looking to buy out the 23.5 per cent stake held by Airports Company of South Africa or ACSA and Bidvest.