Itr processed demand determined

HI i would happy if someone can help me here. I have filed the tax for fy11-12 and also paid the tax after filing returns. Payment that i have made also shows in form 26 link .but still have got the notice for the payment. KIndly help me what should i do after receiving the notice or it will automatically reflect later it already 2 months i received the notice and last status is stil showing itr processed demand determined