https://www.9curry.com/answer-keys/843228 NTA CSIR NET December 2019 Answer Key Published: January 2, 2020 5:41am | Updated: February 1, 2020 7:33pm by Hemraj Dudhwal NTA CSIR NET December 2019 Answer Key: National Testing Agency has issued the Answer Key on 01 Jan 2020 for National Testing Agency CSIR NET December 2019 Exam. Answer Key can be accessed from the link given below. Issued on: 01 Jan 2020