1. Under no circumstances his pension cab be attached.
2.However if there is any DP pending agaisnt him and the said proceeding is relating to pecuniary loss caused to his bank then part of it can be withheld.
3. For withholding a part of retirement benefit though there has to be an order passed by the Disciplinary Proceeding.
4.Without this his pension can under no event be stopped.
If anything of that sort happens feel free to contact for early resolution.