Ratna Begum offers the following courses at undergraduate level:
- AFC 210 Principles and Practices of Banking
- AFC 202 Management Accounting
- AFC 131 Agricultural Cooperatives
- AFC 332 Financial Management
- AFC 435 Agricultural Credit and Money Market
Working as a Lecturer in the Department of Agricultural Finance and cooperatives, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur-1706, from February 22, 2015 to till date.