Shahid,

Interrupt handling is different in C and assembly. Which one you are using for your application?

Also as Kunal described, there is no data associated with interrupts except serial interrupt. However you may have an interrupt from a device such as ADC, which might interrupt the micro that new data is availabale, it is the a matter of reading ADC then.
It all depends upon how interrupts have been used, and whether there is some data associated with that interrupt or the interrupt is just an event without any data.

IA