New Delhi, Jan. 2 -- Ramco Cements Ltd, one of the key cement producers in south India, recently announced both greenfield and brownfield expansions. The company is setting up a cement plant of 3.15 million tonnes per annum (mtpa) capacity in Kurnool district of Andhra Pradesh. It is also expanding capacities of its clinker unit and waste heat recovery system. The cement maker would spend ₹3,430 crore of its own profits for these expansions....