Ajay Piramal at his office on March 16, 2015 in Mumbai, India. Abhijit Bhatlekar/Mint via Getty Photographs Ajay Piramal’s pharma and money providers flagship Piramal Enterprises completed its $4.7 billion acquisition of Dewan Housing Finance Company Ltd. (DHFL) on Wednesday, making one of the biggest inexpensive housing finance firms in […]