https://www.9curry.com/answer-keys/36b0db ONGC Hazira Plant Surat CBT Answer Key 2019 Published: April 9, 2019 6:30am | Updated: May 9, 2019 7:36pm by GuRu Kumawat ONGC Hazira Plant Surat CBT Answer Key 2019: Oil and Natural Gas Corporation (ONGC) has issued the Answer Key on 09 Apr 2019 for the exam. Answer Key can be accessed from the link given below. Issued on: 09 Apr 2019