Dear aspirant,

We can never know that the information you have produced now can be used against you or not in future. It's always better to be truthful in these type of matters. Income certificates are sometimes produced to be not exact to what you actually have. It may or may not cause a problem ahead. But by any chance, after your admission is done, kindly get in touch with the concerned authorities & inform them about the error that has occurred. It won't matter now but it can in future. We'd like to be on the safer side.

Thanks.