बंगाली साहित्यिक पंक्ति 'महाभारतेर कथा अमृत समान' में 'कथा' शब्द किस वचन (नंबर) को निर्देशित करता है?

Which of the following was the first Dalit autobiography published in the Marathi language?

In Fakir Mohan Senapati's novel 'Six Acres and a Third' (Chha Mana Atha Guntha), the narrative's central critique of colonial exploitation is most prominently situated within which context?