Union Minister of State for Information and Broadcasting S. Jagathrakshakan inaugurated the Katpadi-Salem MEMU (Mainline Electrical Multiple Unit) train service in the presence of Durai Murugan, Katpadi MLA and former Minister, at a function at the Katpadi railway station here at 10.30 a.m. on Wednesday.Six-day serviceThe six days-a-week Katpadi-Salem train service was announced in the Railway Budget for 2010-11.