Tamilnadu Telecommunications Limited manufactures and sells optical fiber cables for telecommunications in India and internationally. Its products include nylon jacketed metal-free optical fiber cables for use in saline atmosphere in coastal areas; armored optical fiber cables for direct burial application; self-supporting aerial optical fiber cables; composite cables; and ribbon cables. The company was founded in 1988 and is based in Maraimalai Nagar, India. The ISIN of this stock is INE141D01018.