42.
The answer is: D
Explanation
The correct option is D: All of the above.
According to the Patent Act of India, the following inventions are not patentable:
- A method of agriculture or horticulture, as it is excluded under Section 3 (h) of the Act.
- A presentation of information, as it is excluded under Section 3 (k) of the Act.
- Topography of integrated circuits, as it is excluded under Section 3 (d) of the Act.
These inventions are considered as non-patentable subject matter, as they do not satisfy the criteria of novelty, inventive step, and industrial application. They are also deemed as trivial, abstract, or contrary to public order or morality.