Sangam age in Indian History

The first war of Indian Independence began on 10th May 1857 at

ഏറ്റവും പഴക്കം ചെന്ന ജൂതപ്പള്ളി സ്ഥിതിചെയ്യുന്ന സ്ഥലം

Which of the following is the river valley civilisation?

The Governor-General who introduced the policy of Subsidiary Alliance:

The Muslim ruler who has been described as “The mixture of opposites” is: