No demand generated for revised return

When will I get demand notice for revised return ? 

I have filled original income with 92k refund.. before issuing refund i filed revised return for 90k tax payment. But in my case my original return got proceed crediting refund in my bank account. For revised return when I will get demand notice. ? Since department is not issuing it in timely manner do I need to pay un necessary interest for that demand?