Indian Railway Catering & Tourism Corporation [IRCTC] — irrational behaviour of catering service man

I am my mom are travelling in navjeevan 12655 and one of the person from irctc catering dept misbehave and abused us especially my senior citizen mother as we asked him he said this is my train and i[censored] want u can leave. We are not feeling secured we have been travelling on continuous bases from ahmedabad to chennai as we have established our business there. Kindly take regarding action asap travelling date 26 dec 2018 started from ahmedabad. If this type of behaviour will b continued i am sorry to say that we will never think to take this train service. It is getting worse day by day please take regarding action. This is not tolerable. I[censored] want our one no for further enquiry kindly inform us.