This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Jaipur foot was invented by ? 
Select and explain. 
A. P. K. Sethi, B. S. K. Verma, C. B. L. Sehgal, D. H. R. Gupta
A: P. K. Sethi
Answer: A: P. K. Sethi 
Explanation: Ans. is 'a' i.e., P. K. Sethi P. K. Sethi. Pramod Karan Sethi (28 November 1927 - 6 January 2008) was an Indian ohopaedic surgeon. With Ram Chandra Sharma, he co-invented the "Jaipur foot", an inexpensive and flexible aificial limb, in 1969.