Given below is a sentence that may or may not be grammatically viable, choose the most suitable alternative that reflects the grammatically correct sentence. If the sentence does not require any correction, choose option 5, i.e., "no correction required" as your answer choice.
Probe in the case had reveal that the bilateral meetings held between India and UAE/Qatar resulted in wrongful loss to Air India and substantial gain to the airlines of UAE/Qatar.
1
Probe in the case had revealed that the bilateral meetings holding between India and UAE/Qatar resulted in wrongful loss to Air India and substantial gain to the airlines of UAE/Qatar.
2
Probe in the case had revealed that the bilateral meetings held between India and UAE/Qatar resulted in the wrongful loss to Air India and substantial gain to the airlines of UAE/Qatar.
3
Probe in the case had reveal that the bilateral meetings holding between India and UAE/Qatar resulted in wrongful loss to Air India and substantial gain to the airlines of UAE/Qatar.
4
Probe in the case had revealed that the bilateral meetings held between India and UAE/Qatar resulted for wrongful loss to Air India and substantial gain to the airlines of UAE/Qatar.
5
No correction required