(a.) Design and developed a database on Oracle 9i for a project on Check-post system of Tax collecting department. Front-end used was PowerBuilder 5, back-end Oracle 9i, supporting utility used was FTP to transfer data between check-posts for validation and reconciliation of information. (b.) Design and developed a database on Oracle 9i for Multilevel Marketing software, developed in Visual Basic, Crystal Report 8.5 and Oracle 9i. (c.) Design and developed a database on Access for Officers Training Centre for a state government department.