Security along the shores in Kanyakumari and Tuticorin districts in India has been scaled up after an intelligence alert that six militants, trained in Pakistan, were planning to infiltrate into India through Sri Lanka, Indian police said today.

Armed police personnel had been deployed at several places along the coast while additional check posts installed at important points, including Kulachel and Thengaipattinam, from midnight yesterday in view of the alert, a police official said.

The Kanayakumari Amman temple, Vivekananda Rock and Tiruvalluvar statue, main attractions of tourists in Kanyakumari, have come under the guard of armed personnel.

People have been advised to inform the police if they come across any stranger and suspicious movement of persons.

Vehicles were subjected to checking at various check posts and by Mobile Police Patrol teams, the official said.

Police also conducted checks in the hotels and boarding houses to find out if they were maintaining proper records of those checking into the hotels, and also were cross verifying the facts, police officials said.

Fishermen have been advised to go into the sea in groups and avoid fishing at forlorn places as information has been received that terrorist elements could strike at them and hijack their boats.

Round-the-clock vigil would be maintained throughout this month, they said, NDTV reports.