A special 50 wagon train carrying water from Tamil Nadu's Vellore district will reach Chennai on Friday afternoon, a Southern Railway official said.

According to the official, each wagon has capacity to carry 50,000 litres of water. The train was flagged off from the Jolarpettai station in the morning. State Ministers were likely to be present at the inauguration of the unloading of the water at Villivakkam station here.