Tiruvallur is well known, one of the reason being the Veeraragava Temple. The new moon day is very auspicious day for the lord and so for the people of the town.ccording to 2011 census of India, Thiruvallur district had a population of 3,728,104 with a sex-ratio of 987 females for every 1,000 males, much above the national average of 929.