The Thamarassery Churam, a hill highway with several hairpin bends which offers a scenic drive, became famous all over Kerala as a result of repeated references to it in the films Vellanakalude Nadu and T. P. Balagopalan M.A. by comedy actor Kuthiravattam Pappu.
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The Syro-Malabar Catholic Diocese of Thamarassery, Thamarassery Public Library founded in 1946, Mini Civil Station, The Mary Matha Cathedral Church and the New Bus Stand are some of the major landmarks of the town.
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Thamarassery is the native place of the national and state award-winning film director Hariharan who directed hits like Pazahassi Raja and Oru Vadakkan Veeragatha and sports reporter VM Balachandran popularly known as Vimcy.
It is an intermediate Panchayat consisting of a number of village Panchayat including Kattippara, Kizhakkoth, Koduvally, Koodaranji, Madavoor, Omassery, Puthuppady, Thamarassery, and Thiruvambady.
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Koduvally Assembly constituency consists of the Panchayats Kizhakkoth, Koduvally, Madavoor, Narikkuni, Omassery, Kattippara, and Thamarassery.
Others are from different areas like Nooramthode, Chippilithode, Adivaram, Manalvayal, Kaithappoyil, Kannoth, Theyyappara, Thamarassery, Ambayathode, Chamal, Poolode, Payona, Kakkad, Kakkavayal and Kozhikode.
Thamarassery to Thailand is an upcoming Malayalam film directed by Saji Surendran, written by Krishna Poojappura, and produced by Maniyanpilla Raju.