|SoftFair 2001, organized by North South University Computer Club.|
|Programming Contest of Electro Computer Days 2000, organized by Association of Computer & Electrical Students, BUET.|
|17th National Science and Technology Week 93-94 (Central), organized by the Ministry of Science and Technology, Govt. of Bangladesh.|
|National Science and Technology Exhibition 94, organized by UNESCO Club, Bangladesh.|
|Warp Festival 95, organized by IBM World Trade Corporation.|
First National Debate Festival 1994, organized by Bangladesh Debate Federation (BDF).