The tree that yields hard wood among the given options is sheesham (option C).

Explanation:
Sheesham, also known as Indian rosewood or Dalbergia sissoo, is a deciduous hardwood tree that is native to the Indian subcontinent. It is highly valued for its durable and strong wood, making it an excellent choice for various applications.

Here are some key points explaining why sheesham is considered a hardwood:

1. Hardness: Sheesham wood is known for its hardness, which is one of the primary characteristics of hardwood. Hardwood trees have a dense cell structure and are generally more resistant to wear and tear compared to softwood trees.

2. Durability: Sheesham wood is highly durable, making it suitable for use in furniture, flooring, and construction purposes. Its dense nature gives it the ability to withstand heavy loads and resist damage from impact and scratches.

3. Strength: Sheesham wood is also known for its strength. It has a high density and tensile strength, which allows it to bear heavy loads without bending or breaking easily. This makes it a preferred choice for structural applications in construction and woodworking.

4. Resistance to decay: The natural oils present in sheesham wood make it resistant to decay, fungal attacks, and insect infestation. This property further enhances its durability and longevity.

5. Grain pattern and appearance: Sheesham wood has an attractive grain pattern with distinctive dark brown to reddish-brown hues. It has a fine texture and a natural luster, which adds to its aesthetic appeal. Due to its visual appeal, sheesham wood is often used in high-quality furniture and decorative items.

Overall, sheesham wood is highly regarded for its hardness, durability, strength, and resistance to decay, making it a sought-after hardwood for various applications.