Not sent to the address

Location/place: GANGTOK, SIKKIM

Name of company/service: DEPARTNENT OF POST

I HAVE DONE A SPEED POST ON 21.12.12 FROM GANGTOK HPO TO SILIGURI.BUT, TILL NOW THE DOP HAS NOT TO SENT TO SILIGURI. IT CONTAINS MANY VALUABLE INCOME TAX SAVING SUPPORTS.
IN THIS CONTEXT, DOP HAS DONE RS.20000.(TWENTY THOUSAND)LOSSES ME.
MY MOB:9434096067.
SPEED POST NO.RW172971833IN