Explanation:

• Housing Development Finance Corporation Ltd (HDFC) has received approval from Insurance Regulatory and Development Authority of India to acquire 51.2% stake in Apollo Munich Health Insurance at Rs.1,347 crore.
• IRDAI( Insurance Regulatory and Development Authority of India) was formed in 1999 under the provisions of IRDAI Act,1999.
  Headquarter - Hyderabad , Telangana.
  Chairman - Shubash Chandra Khuntia
• Apollo Munich Health Insurance is a joint venture between Apollo Hospitals and German reinsurer Munich Re Group formed in 2007.
  Headquarter - Mumbai
  Chairperson - Shobana Kamineni
• Housing Development Finance Corporation Limited (HDFC) is an Indian financial services company formed in 1977 and Headquartered in Mumbai, India.
  Chairman of HDFC Ltd - Deepak Parekh
• Earlier HDFC ltd and HDFC ERGO get approvel from CCI and RBI.
• After the completion of the proposed acquisition, Apollo Munich will be merged with and into HDFC Ergo.