The Union Ministry of Environment has given its nod to India Cements to double its capacity and set up a 40 mw power plant in Tamil Nadu's Dalavoi in Ariyalur district. The company said that the capacity addition would cater to Tamil Nadu and Kerala markets. It will be a significant expansion in the two markets. It is expected to take about two years to complete the work. Present capacity for clinker production in this facility is 1.24 million tonnes per annum and the company plans to add 1.53 million tonnes taking total clinker production capacity to 2.77 million tonnes per annum.