Indian Railway Catering & Tourism Corporation [IRCTC] — TDR Rejection

I booked a ticket from new delhi to buxar and the departure time of my train was 1:20 pm but then it get rescheduled to 5:30 pm so i waited for few hours but then it again gets rescheduled to 9:20 pm then i call to customer support of irctc they told me to file tdr so i filled a tdr against my ticket { pnr :- [protected] } . i filled tdr on 17th of july around 6 pm and now its 1st august and i stll didnt got my refund yet, whenever i call to customer support regarding my tdr status they say they cant do anything its on process