New Delhi, May 4 -- The Congress on Sunday flagged concerns related to ecology, tribal rights, transparency and security, over the Great Nicobar Island mega-project, saying that the Centre's recent press note on the project has raised more questions than it answered.

This comes days after Congress leader Rahul Gandhi visited the island on April 28, with party's general secretary Jairam Ramesh saying the visit had brought "renewed urgency" to a project which was being "bulldozed through due process", further accusing the government of going into "damage control mode".

"Galathea Bay hosts over 20,000 coral colonies and is a major nesting site for leatherback turtles, with nearly 1,000 nests recorded in the latest season alone. The governm...