Defence Minister Rajnath Singh today launched the mobile app of the forthcoming DefExpo 2020 to be held in Lucknow, Uttar Pradesh. <br />'' <br />'' The app provides detailed information about the day-to-day events, participating exhibitors, guest speakers of seminars, maps and directions of the venues.<br />'' <br />'' Mr Singh also reviewed the preparations of DefExpo. During the meeting, senior officials informed that a record number of over 880 exhibiters, including foreign companies, have registered so far. Dozens of MoUs are also expected to be inked during the Expo.<br />''