No interest on belated refund even if it was wrongly credited by dept. to consumer Welfare Fund

Excise & Customs: If refund is sanctioned on 2-6-2008 by credit to Consumer Welfare fund but, subsequently on order of Tribunal, it is paid to assessee on 10-3-2010, then, interest on belated refunds is payable only upto date of sanction viz. 2-6-2008