The correct answer is option 'A' - Lord Krishna. Adivasis, also known as indigenous or tribal people, practice a range of tribal religions that are deeply rooted in their culture and tradition. These religions are characterized by their close connection to nature, ancestral worship, and a deep respect for the spirits and deities associated with their surroundings. Lord Krishna, on the other hand, is a deity worshipped primarily in Hinduism and is not a part of the tribal religions practiced by Adivasis.

Here is a detailed explanation of each option:

a) Lord Krishna:
- Lord Krishna is a prominent deity in Hinduism, especially in Vaishnavism, a major branch of Hinduism that worships Lord Vishnu and his incarnations.
- Adivasis, being distinct ethnic and cultural groups, have their own set of religious beliefs and practices that may or may not align with Hinduism.
- While some Adivasis may have adopted certain aspects of Hinduism due to cultural assimilation, Lord Krishna is not a central figure in their tribal religions.

b) Worship of ancestors:
- Ancestor worship is a common practice among Adivasis and many other indigenous communities around the world.
- Adivasis believe in the presence and influence of their ancestors' spirits, and they often engage in rituals and ceremonies to honor and seek guidance from them.
- These rituals may include offerings, prayers, and the construction of ancestral shrines or sacred spaces.

c) Village:
- The village is an integral part of Adivasi life and culture.
- Adivasis often live in close-knit communities in rural areas, and the village forms the social, economic, and religious hub of their lives.
- Many Adivasi rituals and ceremonies are centered around the village, including community gatherings, festivals, and religious celebrations.

d) Nature spirits:
- Adivasis have a deep connection with nature and believe in the presence of spirits associated with various natural elements such as trees, rivers, mountains, and animals.
- These nature spirits are considered powerful and influential, and Adivasis often engage in rituals and practices to appease and seek their blessings.
- Nature worship is a significant aspect of Adivasi religions, as they rely on the resources and ecosystems provided by the natural environment for their sustenance and livelihood.

In conclusion, Adivasis practice a range of tribal religions that involve the worship of ancestors, a close connection to the village, and a deep reverence for nature spirits. However, Lord Krishna is not a part of their religious beliefs and practices.

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