In view of Durga Puja and Dussehra celebrations, Dehradun police have beefed up security by deploying additional police force at important places in the state capital. With the expectation of large number of Dehradun residents reaching Parade Ground on Friday to witness burning of Ravana by lord Rama on the occasion of Vijaydashmi, police have diverted traffic on various roads around Parade Ground area in the city. The effigies of Ravana, Kumbhakarna and Meghnad will be lit on the occasion of Vijaydashmi on Friday.