Question

who was nana sahib? what was nana sahib grievance against the British

Answer 1

nana sahib was an Indian Peshwa of Maratha. The british refused to gramt him pension that they were paying to bajirao II.He was forced to leave his hometown and live in Kanpur.
hope it helps........................

Answer 2

Hey Friend,

*Nana Saheb was the adopted son of Baji Rao II, the last Peshwa. 

*The British refused to grant Nana Saheb the pension they were paying to Baji Rao II. 

*Nana Saheb was forced to live at Kanpur, far away from his family seat at Pune.

*This was widely resented in Maratha region. 

*Nana Saheb had inherited wealth from his father, which he utilised in sending emissaries to different parts of country for generating awareness among the Indians about British policies.

*Nana Saheb traveled between Delhi and Lucknow to gather support.

Hope it helps!