 An ancient document revealing the importance of Paravur and Pozhikara is 'Pozhikara sasanam' built in the 12th century at Pozhikara sivakshetram (later it became a devikshetram).It was encrypted on a 'sila phalakam' in 'vattazhuthu'.Another mention of Paravur is in 'Unnineeli sandesam' which was written above more than 600 years.