The correct answer is A) Hinduism.
Hinduism is the majority religion in Madhya Pradesh, with over 80% of the population identifying as Hindu. The state is home to many Hindu temples and shrines, including the famous Khajuraho temples.
Islam is the second largest religion in Madhya Pradesh, with around 10% of the population identifying as Muslim. The state is home to a number of Muslim mosques and madrasas.
Sikhism is the third largest religion in Madhya Pradesh, with around 2% of the population identifying as Sikh. The state is home to a number of Sikh gurdwaras.
Christianity is the fourth largest religion in Madhya Pradesh, with around 1% of the population identifying as Christian. The state is home to a number of Christian churches.
It is important to note that these are just estimates, and the actual religious makeup of Madhya Pradesh may vary slightly.