A reader's mail highlights several issues at Tirunelveli junction railway station, including a locked pay-and-use toilet on platform three during peak hours, affecting passengers, and non-operational battery cars. Additionally, concerns are raised about the accident risk from an unguarded pathway near a new railway overbridge, urging authorities to close it. The mail also mentions the need for inter-state bus facilities from Eruvadi and notes the ongoing issue of Sri Lankan navy arresting Indian fishermen near maritime borders.