https://www.9curry.com/answer-keys/120f2e BEL Contract Engineer Answer Key 2017 Published: January 3, 2018 10:16am | Updated: August 30, 2019 10:16pm by Gajendra Singh Rathore BEL Contract Engineer Answer Key 2017: BEL has issued the Answer Key on 03 Jan 2018 for the exam. Answer Key can be accessed from the link given below. Issued on: 03 Jan 2018