Dhunseri Tea & Industries Limited is involved in the cultivation, manufacture, and sale of tea. It also has agricultural operations in Malawi, Africa, producing macadamia nuts.

The company employs eco-friendly agricultural practices, including integrated pest management and mechanized harvesting to enhance produce quality and yield.

Dhunseri engages in tea packet marketing via kiosks in Kolkata, with potential e-commerce expansion plans, signaling a shift towards direct consumer interaction.

Historically, the company had significant involvement in PET resin manufacturing, although it shifted focus back to tea production after divesting interests in this sector.

The company holds full ownership of two tea estates in Africa, emphasizing its international reach and diversification into premium agricultural products.