Tight security arrangements have been made in Andhra Pradesh on the eve of the 63rd Republic Day 2012. Hyderabad police commissioner A K Khan said 1,000 police personnel would be guarding the surroundings of Parade Grounds, where the Republic Day would be held. "There is a general security alert across all cities in the country about the Republic Day celebrations, but there is no specific alert on any terror threat to Hyderabad," Khan said.  Traffic restrictions have also been imposed between 7 am to 11 am on some roads in Secunderabad on January 26.