Rediff.com India — hacking of my mail account.. khare nandakumar

Address:

Jaipur, Rajasthan, 302018

My rediff mail account mail id... Kharenandakumar has been hacked. I opened the mail about 1 hour ago. The hacker has threatened asking me to pay 3000 dollars. Name of the person who sent mail was dottie and surname i think was malard or so. I accidently deleted that e mail. Kindly block my account immediately.
[protected]@rediffmail.com
Date of my login — 7th october 2018 at about 10.30 pm.
Hacker; some one named dotty and seems to have sent mail to me 6th october 2018 demanding money.
I deleted some mails and accidently including the above mail also. Hacker has changed password immediately, and also set up some g mail account for recovery now which is not accessible to me
I feel that this mail id can be used by some one. So kindly block this mail id.
I am ready to upload my govt. Issued document like voter card or pan card