Rediff.com India — not able to access my e-mail account

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Dear sir/mam,

Hi,

I am not able to access my e-mail account as some one hacked my account few days back and blackmailing me through mails. Then i tried to set up new password but now i am not able to access my account. Also i am not able to access my account through answering hint question by you. Please help me to access my account.

Regards,
Tarun goswami