Step 1: Identify the most important livestock in India. Cattle and buffaloes are considered the most important livestock in India, used for milk, meat, and agricultural purposes.
Step 2: Analyze the options. - Elephants, though culturally important, are not primarily used for milk or agricultural purposes.
- Dogs and cats are pets, not considered important livestock.
- Cattle and buffaloes are essential for agriculture, dairy, and meat production in India.
Conclusion: The correct answer is (B) Cattles and buffaloes.