Step 1: Understanding the Question:
This question tests knowledge of silvicultural systems for teak.
Step 2: Detailed Explanation:
Teak is managed under the shelterwood system to obtain natural regeneration.
The shelterwood system removes trees gradually, allowing seedlings to establish.
Clear felling system (A): Not used for natural regeneration of teak.
Wedge system (C): Not a standard system.
Simple Coppice system (D): Used for coppice species, not teak.
Thus, the correct answer is the shelterwood system.
Step 3: Final Answer:
Thus, teak is managed under the shelterwood system for natural regeneration, which corresponds to option (B).
[0.5cm]