ToR accorded to Eco Cement's grinding unit. Tuesday, 15 May 2018. The Ministry of Environment, Forest and Climate Change (MoEF&CC) has accorded terms of reference (ToR) to Eco Cement's enhancement of portland pozzolana cement grinding unit. The unit is located at Plot no 1644, Kulhariya village, Durgawati Tahasil, Bhabua, Bihar.