Summary: The Directory of Small Scale Industrial Units in West Bengal provides detailed information on 9,009 registered units with the Directorate of Cottage and Small Scale Industries as of March 31, 1966, including items of manufacture, installed capacity, employment, and capital investment. The directory categorizes units by location and industry type, such as basic metal industries, machinery, chemical products, and textiles. Most units are concentrated in Calcutta, followed by Howrah and 24-Parganas districts. Errors are possible due to time constraints, and users are encouraged to report any inaccuracies. The directory aids in finding manufacturers of specific products through an index of industrial products. It highlights the distribution of units across districts and industry groups, showcasing the diversity and impact of small-scale industries in West Bengal.