Please let me know if the sentences mentioned below are correct:
1)students got an opportunity to prove their mettle and won amazing prizes.
2) Students got an opportunity to prove their mettle and win amazing prizes.
-Not a teacher-
The first is correct, since it refers to the past.
The second is only correct in informal English, if you consider got as a contraction of have got. It wouldn't be accepted in exams or other formal contexts.