Step 1: Understanding the Definition of Stream under the Water Act.
The term "stream" as defined in the Water (Prevention and Control of Pollution) Act, includes not only rivers and water courses but also subterranean rivers.
Step 2: Explanation of Other Options.
- (a) This option excludes water courses, which is incorrect.
- (b) This option excludes rivers, which is also incorrect.
- (c) This option excludes subterranean waters, which is incorrect.
Step 3: Conclusion.
The correct definition of stream under the Water Act includes rivers, water courses, and subterranean rivers.