dear vikas first of all I would like to tell u that please give full information about the case against which case has been registered.also provide the heading of the form which u have signed.
now coming back to ur matter
1st of all mare registering a general diary or FIR doesnot proves that u r guilty.It is just a small thing,Nothing will happen to ur career.
if career are hampered by mere registration of FIR then everyone just register a FIR and spoil the whole life of a person.
so dnt wry,nothing will happen.
and for govt job u are provided with a attestation form in which u have to write ur criminal record in YES/NO.
and in that there is not written that whether a FIR is registerd agains u not.
I think that i have made u understand.
bst of luck