Anable to access account n orkut acc. hacked

dear helpline,
i have an account with gmail as well as have an orkut account under the same user id onlyamericanpie@gmail.com. My orkut account has been hacked n sexually exelicitives material has been uploaded in my profile, and also i am presently unable to access my orkut account because of this hacking. moreover, my gmail account is also not accepting my user id n password. plz help immediately as my good name is at stake. The contact email id is of my brother-in-law is nkatoch_ff@yahoo.co.in. please send reply on this email id.
much aggreived customer