ABSTRACT: Thiruvallur area, a recently framed region bifurcated from the past Chengalpattu area (on first January 1997), is situated in the upper east some portion of Tamil Nadu. It lies in North scope somewhere in the range of 12°15′ and 13°15′ East longitude somewhere in the range of 79°15′ and 80°20′. It is limited on the north by Andhra Pradesh State, […]
