For the past few days, the LIU, or local intelligence unit, of the Uttar Pradesh police has busied itself knocking at all doors on either side of the road leading up to Banaras Hindu University (BHU)’s main gate. The police have meticulously taken down the details of all residents and workers of each household and commercial establishment. The district administration does not want to take any chances when Prime Minister Narendra Modi visits the city later this week to file his nomination papers for the Lok Sabha polls, scheduled here on May 19, and take out a road show to