Rediffmail — my email id was hacked

Address:

208, Ariyur Road, Near Lakshmi Gas Agency, Thorapadi Post, Vellore 632002, Vellore, Tamil Nadu, 632002

Respected sir, I have a email account in rediffmail. com. I afraid of my rediffmail account may be hacked because, when Iogin my email, it shows wrong I'd or password. When I select forget my password, it shows an unknown mobile number and an unknown alternative email ID. for the hackers had changed all the information and security question. I have to say that, I am having a Facebook account in the name of Christus Mohandas with the rediffmail user ID. NowI couldn't open my facebook account. When ever I tried to open my FB account, it shows Sam Mahorn with my email ID and an unknown mobile number. I request you to kindly recover both my
My email ID is [protected]@rediffmail.com. Pls contact me on the alternate email ID [protected]@gmail.com.
My phone number alternate email ID and security question are changed. Pls help me recover both my email account and my facebook account as soon as possible
Thanking you