https://www.9curry.com/answer-keys/cf6a64 HPPSC Research Officer Answer Key 2018 Published: June 16, 2018 10:45am | Updated: August 30, 2019 10:40pm by GuRu Kumawat HPPSC Research Officer Answer Key 2018: Himachal Pradesh Public Service Commission has issued the Answer Key on 16 Jun 2018 for Research Officer Exam 2018. Answer Key can be accessed from the link given below. Issued on: 16 Jun 2018