The correct answer is option 4 - Willow. Willow is the timber that is used for making cricket bats. Willow wood is known for its lightweight and flexible nature, which makes it an ideal choice for cricket bats. It provides the perfect combination of strength and responsiveness needed for a good cricket bat.

Let`s review the other options to understand why they are not the correct answers:

Option 1 - Deodar: Deodar timber is not commonly used for making cricket bats. Deodar wood is more commonly used in construction and for making furniture.

Option 2 - Sal: Sal timber is also not used for making cricket bats. Sal wood is mainly used for construction, furniture, and boat-building due to its durability and resistance to decay.

Option 3 - Teak: Teak timber is known for its strength and durability, but it is not typically used for making cricket bats. Teak wood is highly valued for outdoor furniture, shipbuilding, and construction.

Therefore, the correct answer is option 4 - Willow.