Defence Minister Nirmala Sitharaman witnessing an acrobat at the DefExpo 2018 in Chennai. (EPS | P Jawahar)It is the first time that the defence expo is being held in Chennai. (EPS | P Jawahar)The Tamil Nadu government has allocated land on the East Coast Road at Thiruvidanthai near Mamallapuram. (EPS | P Jawahar)Over 80 countries are expected to showcase their defence prowess at the exhibition. (EPS | P Jawahar)Visitors take a selfie at DefExpo 2018 in Chennai. (EPS | P Jawahar)The exhibition will be held in Chennai from April 11 to 14. (PTI)