Which one of the following is not a Biosphere Reserve?

1. A Biosphere Reserve is a UNESCO designation for areas comprising terrestrial, marine and coastal ecosystems, promoting solutions reconciling the conservation of biodiversity with its sustainable use. 2. Agasthyamalai Biosphere Reserve (Kerala/Tamil Nadu) was designated in 2001 (officially recognized by UNESCO later). 3. Nilgiri Biosphere Reserve (Tamil Nadu/Kerala/Karnataka) was the first in India, designated in 1986. 4. Panchmarhi Biosphere Reserve (Madhya Pradesh) was designated in 1999. 5. Nallamalai Hills are a range in the Eastern Ghats, but the entire range itself is not designated as a single Biosphere Reserve, although parts fall within the Seshachalam Biosphere Reserve designated later (2010). At the time of the question (2005), Nallamalai was not a Biosphere Reserve.