Coal India arm MCL is in the process of diversifying into power generation and will set up a coal-based plant entailing an investment of around Rs 12,000 crore in Odisha, its chairman-cum-managing director O P Singh said. Mahanadi Coalfields Ltd (MCL) also has plans to diversify into aluminium business. “We are into process of diversifying into power generation… The power purchase agreement is in the process of getting finalised with a few states,” Singh told reporters here.