Rediffmail — miss use of my email account

Address:

Jalgaon, Maharashtra

My email ID [protected]@rediffmail.com but I cant asses this account because password was change by any person my alternate email Id change and this id there m*************[protected]@gmail.com, mobile no change 8*******47 hint question was change so i cant use my email but this person is use my [protected]@rediffmail.com account so please help me my mobile No is [protected], [protected]