Chennai, Dec 3 (IANS): Russia's integrated nuclear power player Rosatom on Thursday said a ship with the 21st consignment of equipment for the upcoming nuclear power plants in Tamil Nadu's Kudankulam has left for India.

According to Rosatom, the vessel Elke set sail for India on November 28.

In total, two vessels left for the Indian NPP in November.

"We are entering the normal work schedule for deliveries," said Alexander Kvasha, Technical Director of JSC ASE.

The cargo for the second stage of Kudankulam nuclear power project weighs 1,130 tons, and consists of 418 cargo units.

According to Rosatom, for the upcoming 1,000 MW Unit 3, the cargo includes the polar crane equipment, a bridge assembly and a service platform.

In the case of the 1,000 MW Unit 4, the cargo includes housings and gate valves of air supply system for passive heat removal, trestle crane and passive core flooding system tank.

These apart, the components for both the units shipped include: busbars, hydraulic shock absorbers, tank equipment, pumps, valves, first-priority pipelines, tubular electric heater units of the quick boron injection system tank.

Arrival of equipment to the Indian port is expected in December.

India's atomic power company, the Nuclear Power Corporation of India Ltd (NPCIL) is building four more plants - Units 3, 4, 5 and 6 - of 1,000 MW each in Kudankulam.

The first two units of similar power generation capacity have been functional for some time now.