Birla Cable Limited was formerly incorporated as Birla Ericsson Optical Limited on June 30, 1992 and was promoted by Priyamvada Buta, Universal Cables, Vindhya Telelinks and Ericsson Cables, Sweden (30% stake). The company is engaged in the manufacture of optical fibre cables and Jelly Filled Telephone Cables. Optical fibre cables are the latest development in the field of telecommunication cables and are superior to the conventional cables in many aspects such as lower distortion, wider frequency band, no dampening of frequency and no electromagnetic interference. Optical fibre cables are extensively used in the telecom sector in urban area networks for long-distance trunk routes; intra-city exchanges and subscriber network