Complex sentence: Thirumangalam, and Mogappair are on the border of Anna Nagar and some times claimed as Anna nagar to enjoy the Real estate value of neighboring Anna Nagar and Anna Nagar West.
Split into simpler sentences: Thirumangalam, and Mogappair are on the border of Anna Nagar and often referred as Anna Nagar. The original Thirumangalam village lies on the boundary of Anna Nagar and Anna Nagar West.