Step 1: Understanding DIPA.
DIPA stands for the Destructive Insects and Pests Act, 1914.
It was introduced to regulate the import and spread of destructive insects and pests in India.
Step 2: Key features.
- It came into force in 1914.
- It provided the legal control of insects that threatened Indian agriculture.
- It allowed restrictions on the import of plants, soil, and related materials.
Step 3: Checking the options.
- A: Wrong, no such authority exists.
- B: Correct, DIPA stands for Destructive Insects and Pests Act.
- C: Correct, came into force in 1914.
- D: Correct, provides legal control of insects.
Step 4: Conclusion.
Thus, the correct answer is B, C and D only.