Find out the name of Awadh as called in North India during 1840s-1850s:

Nursery of Bengal Army

The correct answer is Option (3) → Nursery of Bengal Army

Awadh was called the "Nursery of the Bengal Army" in 1857.

The large majority of the sepoys of the Bengal Army were recruited from the villages of Awadh and eastern Uttar Pradesh. Many of them were Brahmins or from the “upper” castes. Awadh was, in fact, called the “nursery of the Bengal Army’’.