Under Section 3 Patents Act 1970, which of the following is NOT a patentable invention?

1. Section 3 Patents Act 1970 lists EXCLUSIONS from patentability. 2. Section 3(h): 'a method of agriculture or horticulture' is NOT an invention. 3. Section 3(i): 'any process for the medicinal, surgical, curative, prophylactic, diagnostic, therapeutic or other treatment of human beings or any process for a similar treatment of animals to render them free of disease or to increase their economic value or that of their products' is NOT an invention. 4. Other Section 3 exclusions: frivolous inventions or contrary to natural laws (a); commercial exploitation contrary to public order or morality (b); discoveries of scientific principle or formulation of abstract theory (c); new forms of known substances without efficacy (d); admixtures (e); mere arrangement or re-arrangement of known devices (f); methods of doing business (k); mathematical or business methods or computer programs per se (k); literary or artistic creations (l); presentation of information (n); topographies (o); traditional knowledge (p); plants and animals other than micro-organisms (j); atomic energy (4). 5. Hence option C is correct. _Source: Patents Act 1970 / Copyright Act 1957 / Trade Marks Act 1999 (Bare Acts, IPIndia portal + Copyright Office) — Patents Act 1970, Section 3(h) and Section 3(i)_