Southern Railway has extended the operation dates for some of the special trains in Chennai. The Nagercoil – Tambaram Weekly Superfast Special on Sundays will be operated till May 26, and the Tambaram – Nagercoil Weekly Superfast Special on Mondays will be operated till May 27. The MGR Chennai Central – Kochuveli Weekly Express Special on Wednesdays will be operated till May 29, and the Kochuveli – MGR Chennai Central Weekly Superfast Special on Thursdays will be operated till May 30. The Nagercoil – Dr MGR Chennai Central Superfast Special on Sundays will be operated till May 19, and the Dr MGR Chennai Central – Nagercoil Superfast Special on Mondays will be operated till May 20. The Nagercoil – Dr MGR Chennai Central Superfast Special on Sundays will also be operated till May 26, and the Dr MGR Chennai Central – Nagercoil Superfast Special on Mondays will be operated till May 27.