Indian Railways — miss behaviour of parking place staff

Address:

Malappuram, Kerala

Sir,
I have a complaint against miss behaviour of railway parking staff in kuttipuram (Ktu) railway station (Malappuram dist, keralastate).
One of the staff miss behaving all and making complaint in our bike. Once i asked regarding charging high rate. Now he told me that he will not allow me to park my bike there.
Kindly advise how can i make a complaint against him.