Dhunseri Investments Limited, a non-banking finance company, invests in shares and securities in India, Singapore, and internationally. The company operates through five segments: Trading, Treasury Operations, Flexible Packaging Films, Food and Beverages, and Tea. The Trading segment engages in trading PET resin. The Treasury Operations segment holds treasury assets for capital appreciation and other related gains. The Flexible Packaging Films segment engages in manufacturing BOPET films. The Food and Beverages segment engages in bakery business. The Tea segment produces black tea; and investment in tea manufacturing companies. The company engages in the infrastructure business. The company was formerly known as DI Marketing Limited. Dhunseri Investments Limited was incorporated in 1997 and is based in Kolkata, India.