Karshni Aluminium Co. (P) Ltd. (KALCOâ„¢) (formerly known as Krishna Aluminium Co.), since its inception is engaged in Aluminium products for Architectural Works. It is now established in the market as one of the leading source of Aluminium Doors, Windows, Ventilators, Partitions, Show Windows, facade (CW, SG), ACP and similar other related products.