This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Orthopaedics
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: P.K. Sethi. Pramod Karan Sethi (28 November 1927-6 January 2008) was an Indian ohopedic surgeon. With Ram Chandra Sharma, he co-invented the "Jaipur foot", an inexpensive and flexible aificial limb, 1969.(Refer: Mohindra's Fundamentals of Ohopedics, 2nd edition, pg no. 466)