New Delhi, May 19 -- Congress leader Jairam Ramesh on Tuesday expressed concern over the future of the Great Nicobar Biosphere Reserve, alleging that the Centre's ambitious Great Nicobar Island Project posed a serious threat to one of India's internationally recognised ecological zones.

In a post on social media platform X, Ramesh said India takes "great pride" in its UNESCO World Heritage Sites but stressed that the country's UNESCO-recognised Biosphere Reserves are equally prestigious and important for preserving ecological and cultural diversity.

"We take great pride in the UNESCO World Heritage Sites in India - and rightly so. But what about the UNESCO World Network of Biosphere Reserves which are equally prestigious? Their objective ...