HomeBusinessTransmission Line TowersTransmission Line Towers Largest tower manufacturing facility in India under one roof largest tower manufacturing facility in India under one roof.capabilities to design, manufacture and supply transmission lines up to 1, 200 kV.It has successfully supplied over 450000 MT of transmission line towers in more than 25 countries.certified under ISO 9001:2008, ISO 14001:2004 and OHSAS 18001:2007 standards Karamtara is into Power Transmission & Distribution (T&D) Sector since inception. Transmission Line SBU is the primary and largest business vertical of the Company. It manufactures entire range of Transmission Line Towers used in power Transmission & Distribution (T&D), having manufacturing facility at Boisar, Tarapur, Dist Thane with a fabrication and galvanizing capacity of 108000 MT per annum thereby making Karamtara one of the largest tower manufacturing facility in India under one roof.