The pulp and paper industry is a key contributor to the Indian economy. Of 660 paper mills in India, 26 are wood-based and face challenges with forest-based raw material. Annual pulp production is 1.9 million tonnes (mt) using 6.8 mt of wood. Nearly 20 percent of wood is procured from government sources and 80 percent from agro-forestry sources. To sustainably supply the ever-growing demand for wood, the industry relies on social and farm forestry, and tree cover has increased through mill-promoted plantations. Under private farmer and private industry partnerships, ITC Ltd. has promoted over 80 000 hectares (ha) of clonal plantation, using R&D to increase productivity to 20–58 mt/ha/yr compared with 4–6 mt/ha/yr from seedling plantations, favouring fast wood forestry. In Andhra Pradesh, a forward-looking state, eucalyptus, casuarina and leucaena wood are declared as agricultural produce and marketed through agricultural market committees.