Analysis of information sources in references of the Wikipedia article "தில்லி மலைத்தொடர்கள்" in Tamil language version.
... The Ridge and its neighbouring hilly tracts represent the natural flora. The major natural forests in Delhi are generally restricted to the Ridge. The natural flora is a tropical, thorny and secondary forest.
... These ridges are prolongations of the Aravali mountain system, and are approximately on the line of the Indo-gangetic watershed ...
... Delhi lies on the vast flatlands of the Indo-Gangetic Plain, though the northernmost pimples of the Aravallis amount to the Ridge, which lies west of the city centre ...
