Prime Minister Narendra Modi will unveil various rail-road development projects in Kanyakumari, Tamil Nadu, on Friday later, said officials.
Security has been heightened ahead of the visit with the deployment of police in large numbers.
According to officials, the new projects will increase road and rail connectivity within the state.
Modi will flag off the Tejas Express between Madurai-Chennai through video conference facility. This will provide faster connectivity between the two cities.