UKHeliBob:
You were the one that refused to put all of the details of the project in one thread so why should we be expected to search out and read your other threads ?
Sir, that part wasn't supposed to be a part of this thread. This thread is regarding my issue with multiple interrupt, and that one's related to using analog pins for digital output.
And I didn't refuse to put all this under one thread. I am justifying why all these threads are different. One is regarding multiple inputs from sensors based on interrupt routine, second on using any pin of arduino for the Interrupt service and third on using analog pins for digital ouput.
Thanks for the help!