Dear fyifyi

How did they correct it?? Had you get any confirmation after amendment? or Did you give application in writing for amendment?
I think you must immediately visit head office of SPSC and meet with controller exam and argue your case. you shall also be in possession of some documentary evidence to prove your point as it is very likely that they will try to negate whatever you are saying.

Regards

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“Every saint has a past, and every sinner has a future.”
- Oscar Wilde