Which of the following region was considered as "nursery of the Bengal Army" in the context of Colonial rule in India?

Awadh

The correct answer is Option 1 - Awadh

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’’.