Mortgage lender HDFC ltd on Thursday said it will raise Rs 1,000 crore by issuing non-convertible debentures, to cater to its housing finance business needs. Housing Finance Development Corporation will issue secured redeemable non-convertible debentures on a private placement basis to raise the amount of Rs 1,000 crore. “The object of the issue is to augment the long-term resources of the corporation. The proceeds of the present issue would be utilised for financing/refinancing”, said HDFC.