The VVER-1000 reactor vessel for the sixth unit of the Kudankulam nuclear power plant in Tamil Nadu is being transported from Russia to India. The vessel, weighing 320 tonnes, was manufactured at the Atommash plant and will undertake an 11,000-km journey. Four new power units are currently under construction at Kudankulam, with six reactors planned in collaboration with Russia's Rosatom and India's NPCIL.