Step 1: Understanding the Concept
Biopiracy is the use of traditional knowledge or bioresources without proper approval.
Step 2: The haldi case
In 1995 a US patent was granted for the use of turmeric powder to heal wounds. India's Council of Scientific and Industrial Research (CSIR) challenged it using old texts and papers.
Step 3: Result
Because the use was traditional knowledge, the patent was revoked in 1997.
Final Answer:
CSIR got the US patent on haldi cancelled.
\[ \boxed{\text{(C) }\text{CSIR}} \]