With reference to the early life of Sher Shah, which of the following statements are correct?

A. His grandfather was a petty horse trader who came from Afghanistan.

B. His father, Hasan, emerged as a leader of Afghan free booters.

C. Hasan was placed in charge of the pargana of Narnaul.

D. Farid joined the services of Taj Khan, the commander of Bengal.

E. He submitted a petition to Taj Khan to dismiss his father, Hasan from the service.

Choose the correct answer from the options given below: