Which three China banks lent 5 billion RMB to Indian tycoon anil Ambani?

In 20 10, anil Ambani obtained a loan of1900 million USD from China Development Bank with an interest rate of 5%. In 20 12, China industrial and commercial bank and the export-import bank provided loans to anil Ambani1300 million USD. However, anil Ambani's company has been in debt of $7 billion.

Later, anil Ambani repaid the old debts with new loans, resulting in more and more debts, and finally owed 654.38+04 billion bank loans.