The correct answer is (d) Elephant.
Elephants are not commonly found in the wild in Punjab. They are found in other parts of India, such as Assam, Kerala, and Tamil Nadu. However, they are not native to Punjab and are not found in the wild there.
Blackbuck are a type of antelope that are found in the wild in Punjab. They are a medium-sized antelope with black fur and white markings. They are herbivores and eat grasses, leaves, and fruits.
Wild boar are a type of pig that are found in the wild in Punjab. They are large, hairy pigs with sharp tusks. They are omnivores and eat a variety of things, including plants, insects, and small animals.
Nilgai are a type of antelope that are found in the wild in Punjab. They are the largest antelope in India and are known for their long, spiral horns. They are herbivores and eat grasses, leaves, and fruits.