Hi

Since the present year score of gate have not been release. The cutoff scores will vary every year accordingly as per the corporation, discipline and category of the candidate.

Last year Gate cutoff for NTPC for an instrumentation engineer is listed below

For general candidate cutoff score was 52 and Gate  AIR was 328

For OBC candidate cutoff score was 39 and Gate AIR was 969

For SC candidate cutoff score was  32.33 and Gate AIR was 1475

For ST candidate cutoff score was 22 and Gate AIR was 2869

For PH candidate cutoff score was also 22 and Gate AIR was 2869

I hope it helps you