Correct option is D
The correct answer is: (d) B, C, D, A, E
Explanation
Arranging the given environmental enactments in ascending chronological order based on the year of their enactment:
- B. Indian Forest Act: Enacted in 1927 (Act No. 16 of 1927)
- C. Wildlife Protection Act: Enacted in 1972 (Act No. 53 of 1972)
- D. Water (Prevention and Control of Pollution) Act: Enacted in 1974 (Act No. 6 of 1974)
- A. Forest Conservation Act: Enacted in 1980 (Act No. 69 of 1980)
- E. Air (Prevention and Control of Pollution) Act: Enacted in 1981 (Act No. 14 of 1981)