Consumer Redressal

I took admission in school of management studies national institute of technology rourkela they send and reminder of admission i paid the fees of 1.5 lakh rupees after few days I ask to withdraw my admission and DR.RAjeev panda said my money will be refunded with 10 to 15% of deduction and i mailed to the email Ids provided by him I called him twice and he said its slow process money you will get the money . I withdraw my admission before commencement of course and didnt even attend single class and left all the insitite official groups .after 3 months I am calling them now they are telling you should have mailed n took permission from academic after and now they are doing drama of initiating new process and telling only 17000 will be refunded .why are they lying and eating my money if we look at other insitute everyne has given money back .and if they say you should have read institute guidelines it written after commencement course then fees will be forefeited but if course has not commenced and everything mailed after seeking permission I withdraw admission how can they take my money and start lying now.I really need help in this case I am tiered of calling this people transfering my issue several times and giving this kind of ultimatum. my name -janhavi bhoir ,8780259388,janhavib0348@gmail.com