The Ranjit Sagar Dam Wildlife Sanctuary is home to a variety of:

Deer species
Birds
Reptiles
All of the above

The correct answer is: d) All of the above.

The Ranjit Sagar Dam Wildlife Sanctuary is a protected area in the Indian state of Punjab. It was established in 1985 to protect the wildlife of the area, which includes a variety of deer species, birds, and reptiles. The sanctuary is home to over 300 species of birds, including the endangered great Indian bustard. It is also home to a variety of reptiles, including the Indian cobra and the python. The sanctuary is a popular tourist destination, and offers a variety of activities, including hiking, camping, and bird watching.

Deer species: The Ranjit Sagar Dam Wildlife Sanctuary is home to a variety of deer species, including the sambar, chital, and hog deer. The sambar is the largest deer in India, and can grow up to 10 feet long and weigh up to 600 pounds. The chital is a medium-sized deer with distinctive white spots on its back. The hog deer is a small deer with a long snout and tusks.

Birds: The Ranjit Sagar Dam Wildlife Sanctuary is home to over 300 species of birds, including the endangered great Indian bustard. The great Indian bustard is the largest flying bird in India, and can grow up to 6 feet tall and weigh up to 40 pounds. It is a critically endangered species, and there are only a few hundred left in the wild. Other birds that can be found in the sanctuary include the Indian peafowl, the common kingfisher, and the red-wattled lapwing.

Reptiles: The Ranjit Sagar Dam Wildlife Sanctuary is home to a variety of reptiles, including the Indian cobra and the python. The Indian cobra is one of the most venomous snakes in the world, and can grow up to 18 feet long. The python is the largest snake in India, and can grow up to 30 feet long. Other reptiles that can be found in the sanctuary include the monitor lizard, the crocodile, and the turtle.