According to the Central Vigilance Commission Act if a Central Vigilance Commissioner or a Vigilance Commissioner is receiving retirement benefits from a corporation established by or under any Central Act or a Government company owned or controlled by the Central Government at the time of their appointment, how does it affect their salary?

Section 5. Terms and other conditions of service of Central Vigilance Commissioner:  (7) Provided further that if the Central Vigilance Commissioner or any Vigilance Commissioner is, at the time of his appointment, in receipt of retirement benefits in respect of any previous service rendered in a corporation established by or under any Central Act or a Government company owned or controlled by the Central Government, his salary in respect of the service as the Central Vigilance Commissioner or, as the case may be, the Vigilance Commissioner shall be reduced by the amount of pension equivalent to the retirement benefits.