Now I have interest on Data Modeling only. I have long experience of about 25 years on Terms of Reference (ToR) preparation, Long time lead as System Analyst (12 years), Requirement Analysis and Specification (RAS) preparation, application software development (Around 70 software application), implementation, business process modeling (BPM), business process mapping, business process re-engineering (BPR), database design and management on different databases like Oracle/SQL Server/MySQL, network design, IT consultancy in UNDP project & Ministry of Industries & Department of Women Affairs, IT training coordination, IT consultancy & Liaison within GoB (Ministry of Industries), EC (European Commission) and UN Special Organization WIPO etc.