Syed Asaduzzaman, Managing Director of Best Electronics and Koh Seow Kern, Senior Service Engineer of Sharp Singapore, inaugurating Drooto Mobile App at Zaman Group’s corporate head office in the city on Tuesday. Among others, Syed Tahmid Zaman Rashik, Managing Director of Drooto and Syed Ashhab Zaman Rafid, Director of Best Electronics were also present.