Indian Railways — my ticket is confirmed but i want to sold my seat to other

Address:

Satyadev nagar mothi umri akola, Akola, Maharashtra, 444005

Sir my name is sagar ashok nishane I was traveling from akola to Mumbai my ticket is confirmed. But due to some reasons I doesn't go to Mumbai instead of that my sister seat on my seat we have blood relation .when TT S.K Singh he have duty in Nagpur was come with other passenger who's ticket was not confirmed.after that he trying to harras my sister very badly for leaving her seat.she also told him that if any penalty require then she is ready but S.K Singh misbehave with my sis.and file extra money from my sister...I want to file Complaint on S.K Singh and I request to irtc to punish him...