1Bidhan Chandra Krishi Viswavidyalaya, Nadia-741 252, WB, India.
The total factor productivity growth (TFPG) analysis of potato for the state of West Bengal during 1980–81 to 2001–02 showed that the state recorded 6.19% growth of output index, 3.17% growth of input index and 2.92% growth in TFP index. The technological advancement in potato has occurred in West Bengal during the entire period.