Malabar Cements Ltd. is seeking to buy 12,000t of thermal coal, according to a document on its website.The state-owned cement maker based in Kerala is seeking coal with 5,500kcal/kg on an air-dried basis, 12 per cent maximum total moisture, 23 per cent maximum ash and one per cent maximum sulphur to be delivered at the port of Cochin, according to the tender document. Bids will be opened on September 5, Bloomberg reports