Q: How do I write the rationale for my topic ‘Interbank lending and borrowing markets in Nepal’?

Answer:

You may look up these resources on the site:

• How to write the rationale for research?
• Can you give an example of the "rationale of a study"?

Additionally, as rationale (also known as justification) is written in the Introduction section, you may find this resource helpful: 4 Step approach to writing the Introduction section of a research paper

Hope that helps. All the best for your paper!