What was the name of the poet, who wrote the popular poem "Firangiya" in Bhojpuri against 'British Colonialism'?

The concept of "Four Pillar State", free from district magistracy for India was suggested by

The socialist idea of Sapta Kranti (Seven Revolutions) was proposed by

Which Indian social theorist had argued that the idea of a homogenized Hinduism was constructed through the 'cultural arrogance of post-enlightenment Europe'?

Which one of the following rivers in India was not crossed by Alexander and his army?

What was the Dutt-Bradley thesis ?