About Mamandur. Mamandur is a Village in Vembakkam Taluk in Tiruvannamalai District of Tamil Nadu State, India. It is located 102 KM towards East from District head quarters Thiruvannamalai. 11 KM from Vembakkam. 82 KM from State capital Chennai.Mamandur Pin code is 631702 and postal head office is Mamandur Kanchipuram.t is located 102 KM towards East from District head quarters Thiruvannamalai. 11 KM from Vembakkam. 82 KM from State capital Chennai. Mamandur Pin code is 631702 and postal head office is Mamandur Kanchipuram.