Comment the concept of dharma by using evidences from the story of Shiva. What does the fate of Sati, Shiva’s first wife illustrate?

Dharma is simply a moral law, It combines natural universal laws whose observance enables humans to be contented and happy, and to save himself from degradation and suffering. There are actually quite a few stories of Shiva. They all have different themes so you might want to follow those themes.

From the book of Coomaraswamy, Krishna

Ah, this would explain why I couldnm't find the answer to this question...... the answer isn't found in Bhagavad-Gita.