“Exam Regulatory Authority, Allahabad (Uttar Pradesh) has recently released the Official Answer Keys for NTSE 2019 Stage-1 Exam on its Official Website.”
NTSE (STSE) Stage-1 2019 exam was held on 4th Nov. 2018 at various centers in Uttar Pradesh.
You can match your answer key with the respective official key.
Check the MAT and SAT Answer Keys from Here: