MPESB Answer Key 2023 Challenge: The Madhya Pradesh Employees Selection Board (MPESB) will end the answer key challenge window for the Group-5 Staff Nurse, Sahayak Pashu Chikitsaka Kshetra Adhikari, and other direct and backlog Post Combined Recruitment Test 2023 on July 7, 2023. Eligible candidates can raise objections against the answer keys at the official website, esb.mp.gov.in.