Which one of the following is the correct sequence of the given hills starting from the north and going towards the south? [IAS 2005] (a) Nallamalai Hills - Nilgiri Hills - Javadi Hilis - Anaimalai Hills (b) Anaimalai Hills - Javadi Hills - Nilgiri Hills - Nallamalai Hills (c) Nallamalai Hills - Javadi Hills - Nilgiri Hills - Anaimalai Hills (d) Anaimalai Hills - Nilgiri Hills - Javadi Hills - Nallamalai Hills