Which one of the following pairs (Author - Book) is not correctly matched?

Which of the following pair is not matched correctly ?

Which one of the following statements about the Revolt of 1857 is correct?

Which of the following matches is/are incorrect about 1857 revolt (place and leaders)?

Which one of the following towns was not a centre of the Revolt of 1857?

Which one of the following conceptions is true about the Revolt of 1857?