Someone wanted to learn this too, so Grasp built them a personal learning path.
You can keep exploring this one or create a path like this one shaped around you.
Recommended resources
Module 2
State Structure and Federal System
Module 3
Public Administration and Governance
Module 4
Foundational Acts for Public Administration
Module 5
Development Planning and Public Finance
Module 6
General Knowledge: Geography, History, and Society of Nepal
Module 7
International Affairs and Foreign Policy
Module 8
Nepali Language and Composition (नेपाली भाषा)
Module 9
English Language and Composition
Module 10
Quantitative Aptitude
Module 11
Logical Reasoning and Mental Ability
Module 12