Concept:
Permanent forests refer to forest areas that are maintained for long-term ecological balance and conservation purposes. These forests are protected by the government and are not easily diverted for other uses such as agriculture or construction. Some states in India have larger forest areas due to favorable geographical and climatic conditions.
Step 1: Understand the distribution of forests in India.
India has significant forest cover distributed across different states. Central and northeastern states generally have larger forest areas due to suitable climate, rainfall, and terrain.
Step 2: Identify the state with the largest forest area.
Among all Indian states, Madhya Pradesh has the largest area under forests. The state has extensive forest resources because of its large geographical area and suitable environmental conditions.
Step 3: Select the correct option.
From the given options, the state with the largest area under permanent forests is:
\[
Madhya Pradesh
\]
Therefore, the correct answer is Option (B).