In Tamilnadu, the first week of campaign by the leaders of political parties has come to an end. Political leaders are busy working out a strategy for the next and final round of campaigning. With the scrutinizing of nominations taking place on Monday, the security arrangements are also being reviewed by the police. AIR correspondent reports that, more than 150 companies of paramilitary forces will be deployed in all the districts and additional security will be provided to the sensitive booths.