Historically, tanning industry has been found to be concentrated in the state of Tamil Nadu, spread over in Madras and its surrounding cities of Ranipet, Ambur, Pernambur, Vaniyambadi, Erode, Tiruchirapalli and Dindigul. The industry reportedly 200 years old, expanded due the presence of British traders in large numbers in Madras Presidency. As in most clusters, the reason for growth and expansion of industry is generally attributed to the climatic conditions, mainly the quality ...