The correct answer is: a) Vaishnavism.
Vaishnavism is a Hindu tradition that worships Vishnu, one of the principal deities of Hinduism. Vishnu is often depicted as a blue-skinned god with four arms, and he is often shown with his consort Lakshmi, the goddess of wealth and prosperity.
The cosmic dance of Krishna and Radha is a popular motif in Vaishnavism. The dance is said to represent the eternal love between Krishna and Radha, and it is often seen as a metaphor for the relationship between the soul and God.
The other options are incorrect because they do not represent Hindu traditions that worship Vishnu. Shaivism is a Hindu tradition that worships Shiva, another principal deity of Hinduism. Tribal animism is a belief system that is found in many cultures around the world, and it is characterized by the belief that all objects and creatures have a spiritual essence. Buddhism is a religion that originated in India, and it is characterized by the belief that suffering is caused by desire, and that the way to end suffering is to extinguish desire.