Sony Ericsson K220I

I Dharmendra Singh,I have lost my mobile Model Sony Ericsson K220I, IMEI:35619701484457-9, on dated 04/07/2008at 11.00 am in house, vindhyanagr sigrouli madhya pradhesh, India. Could you please trace the mobile where it is & who is picked up phone or block my moblie ? I have purchased on dt. 4/06/2008.