MUMBAI: Golden Agri-Resources, the world's second-largest palm oil plantation company, plans to float an initial public offer (IPO) for its Indian subsidiary Gemini Edibles & Fats India Private Limited (GEF India). Four investment banks - Nomura, Axis, Credit Suisse and Kotak have been hired to run the process. A draft red herring prospectus (DRHP) for the Rs 1500-1800 crore IPO will be filed by next month, said multiple people aware of the development. Rs 6,555-crore Gemini Edibles is backed by global PE fund Proterra Investment Partners which owns about 25% stake in the company. Mails sent to Golden Agri-Resources, Gemini Edibles & Fats India and Proterra Investment Partners did not elicit any responses.