Infrastructure Development Finance Company (IDFC) has filed a draft red herring prospectus with Securities and Exchange Board of India (SEBI) for a public issue of 40.36 crore shares of the face value of Rs 10 each.The 100% book built issue comprises a fresh issue of 12 crore equity shares of Rs 10 each and an offer for sale of 28.36 crore shares at a price to be determined through 100% book building, the company said in a release.The objective of the issue is to achieve benefits of listing, raise capital to support the future growth in assets and meet the applicable capital adequacy requirements.The company has appointed Kotak Mahindra Investment banking as the book-running lead manager, DSP Merrill Lynch as the senior co-managers while Karvy Computershare has been appointed as registrar to the issue, it said.