Drawing the map of Nepal is a compulsory 4-mark question in Social Studies that takes under two minutes when using grid proportions.
The 3:2 Ratio Technique
Draw a horizontal box $12\text{ cm} \times 8\text{ cm}$. Divide it into three vertical blocks of $4\text{ cm}$ each representing Western, Central, and Eastern Nepal. Follow the natural Himalayan dip at Mustang and the southward bulge at Jhapa.