Hey Pragya,
You can challenge the NATA through court.
If NATA will agree to recheck your paper then may be your marks will increase.
Some students in 2018 challenged to NATA and NATA was agree to recheck.
Good Luck!
Application | Eligibility | Exam Pattern | Admit Card | Answer Key | Result | Cutoff | Accepting Colleges
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile