Prime Minister Manmohan Singh will inaugurate New Tamil Nadu assembly complex in the presence of the state chief minister Mr. M. Karunanidhi at a function in Chennai this evening. State Governor Surjit Singh Barnala, Congress president Sonia Gandhi and Chief Ministers of several states, central ministers and leaders of various political parties will attend the glittering function. Police have stepped up the security and traffic on the Arterial Anna Salai will be regulated. Over 5000 policemen have been deployed to take care of the security.<br/>