The study of our industrial past and its vestiges has found little recognition in India. Until now, we have rejected their contribution to our modern history and nation building. As part of the larger movement to protect the legacy of the Bhopal gas tragedy, we began our long term research project of the ‘Inventory of the Industrial heritage of India’, an atlas of significant industrial sites and institutions in the country. We laid down our parameters to cover a wide variety of industries in our country and then devised a framework of methodology to follow and lay out our methods of surveying and documenting. The ongoing inventory has more than 300 sites across India from manufacturing industry, railway industry, transport industry etc