This is the first such sale by an Indian issuer.
The debt, bought primarily by Taiwanese life insurance companies, offers investors a fixed interest rate of 5 per cent, payable half-year, the company said in a statement.
"These Notes, denominated in US dollars, have been issued primarily to Taiwanese life insurance companies and are proposed to be listed on Taipei Exchange (formerly known as GreTai Securities Market). Such notes are commonly known as Formosa Bonds," it said.
The 20-year Notes are the longest tenor Formosa Bond issuance by a corporate out of Asia.
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The bonds will also have an annual call option at par starting June 5, 2020.
"The funds will be utilised for the company's ongoing capital expenditure," the statement said.
Deutsche Bank AG and HSBC Holdings Plc were the joint bookrunners, while Morgan Stanley was the structuring agent.
The senior, unsecured notes due 2035 will be callable at par from June 2020.