Explanation:

The 'Kisan Kalyan Mission' is an initiative aimed at improving the economic condition of farmers through various agricultural development programs and schemes. \nOption (A) Uttar Pradesh: The 'Kisan Kalyan Mission' was launched by the Government of Uttar Pradesh in January $2021$. The primary objective of this mission was to double the income of farmers in the state by $2022$. It involved various activities like organizing farmer fairs and exhibitions, promoting new farming techniques, and providing information on government schemes. Therefore, this option is correct. \nOption (B) Bihar: While Bihar has its own agricultural development programs, the specific 'Kisan Kalyan Mission' with the stated objective was not launched by the Bihar government. Therefore, this option is incorrect. \nOption (C) Jharkhand: Jharkhand also implements various schemes for farmer welfare, but the 'Kisan Kalyan Mission' as described was not its initiative. Therefore, this option is incorrect. \nOption (D) Orissa (Odisha): Odisha has schemes like 'KALIA' (Krushak Assistance for Livelihood and Income Augmentation) for farmer welfare, but it did not launch the 'Kisan Kalyan Mission'. Therefore, this option is incorrect. \nTherefore, the 'Kisan Kalyan Mission' was launched by the Uttar Pradesh government.