McLeod Russel India Ltd is an Indian tea company. It is currently the world's largest tea growing company. 

It is part of the Williamson Magor Group. It has forty-eight tea estates in the Brahmaputra Valley of Assam and five in the Dooars region of West Bengal, three factories in Vietnam, six estates in Uganda and the management control of the world Gisovu estate in Rwanda.

The company is related to Williamson Magor & Company Ltd. It claims to produce more than 100 million kilograms of quality black tea every year.

The company was started in 1869 by two Calcutta-based Englishmen, Captain J.H. Williamson and Richard Boycott Magor, as a partnership – named Williamson Magor & Company. The Company's main objective was to serve the requirements of British empire from the tea estates in Assam. 

Over the next half-century, the group acquired other tea companies, including Williamson Tea Assam, Doom Dooma Tea Company, Moran Tea Company, Phu Ben Tea Company, Rwenzori Tea Investments and Pfunda Tea Company.

Its subsidiary Borelli Tea Holdings took over management control of Gisovu Tea Company Limited in 2011.

According to en.wikipedia