Union Minister Nitin Gadkari, who filed his nomination for the Nagpur Lok Sabha seat on Monday, said that he worked more than he promised. “In the last 5 years, I worked a lot and I will work more next 5 years. The government has significantly brought projects for tigers in Nagpur,” he said.<br />Polls in Nagpur will be held on April 11. Gadkari, who had defeated Vilas Muttemwar (Congress) in the 2014 elections by a margin of 2.84 lakh votes, said he will win with a bigger margin.