The correct answer is A) Malvi.
Malvi is a dialect of Hindi spoken in the Malwa region of Madhya Pradesh. It is the most widely spoken dialect in the state, and is also spoken in parts of Rajasthan and Gujarat. Malvi is a member of the Indo-Aryan language family, and is closely related to other Hindi dialects such as Marwari and Braj Bhasha.
Bagheli is a dialect of Hindi spoken in the Baghelkhand region of Madhya Pradesh. It is the second most widely spoken dialect in the state, after Malvi. Bagheli is a member of the Indo-Aryan language family, and is closely related to other Hindi dialects such as Chhattisgarhi and Awadhi.
Nimadi is a dialect of Hindi spoken in the Nimar region of Madhya Pradesh. It is the third most widely spoken dialect in the state, after Malvi and Bagheli. Nimadi is a member of the Indo-Aryan language family, and is closely related to other Hindi dialects such as Malvi and Bundelkhandi.
Bundelkhandi is a dialect of Hindi spoken in the Bundelkhand region of Madhya Pradesh. It is the fourth most widely spoken dialect in the state, after Malvi, Bagheli, and Nimadi. Bundelkhandi is a member of the Indo-Aryan language family, and is closely related to other Hindi dialects such as Malvi and Bagheli.