RAE BARELI, May 4 -- With Congress leader Rahul Gandhi entering Lok Sabha poll fray from his family bastion and the ruling party fielding Dinesh Pratap Singh, a UP minister who also filed his nomination on Friday, the electoral battle in Rae Bareli is very much likely to be exciting. Roads leading to Rae Bareli from rural areas of the district were covered with BJP and Congress workers in large numbers carrying saffron and tricolours on Friday....