Step 1: Understanding the Concept:
Knowledge of national-level forestry educational and research institutions, including their establishment years and correct geographical locations, is fundamental to forest administration.
Step 2: Detailed Explanation:
- Statement (A) is correct. Indira Gandhi National Forest Academy (IGNFA) was originally established in 1938 as the Indian Forest College to train Indian Forest Service (IFS) officers at Dehradun.
- Statement (B) is incorrect. The Indian Institute of Forest Management (IIFM) was indeed established in 1982 as an autonomous institute, but it is located in Bhopal, Madhya Pradesh, not in Dehradun.
- Statement (C) is correct. Indian Council of Forestry Research and Education (ICFRE) was established in 1986 in Dehradun.
- Statement (D) is correct. Forest Survey of India (FSI) has its headquarters in Dehradun.
Step 3: Final Answer:
Statement B is the incorrect statement because IIFM is located in Bhopal, not Dehradun.