Bengaluru Metro Rail Corporation [bmrcl] — Misbehaviour of staff and denied to recharge my card

I am going from yesvantpur to ksr bengalore railways station metro station i went to recharge counter just beside the entry gate and give the employee my metro card and 100 rupees cash to recharge my card he was solving some issues of another passenger then after solving his problem i asked him to please anna do fast then he stopped all his work and shouting at me without any reason he was saying that he will not recharge my card and he forcefully removed my card and casb out of the window and told me that he will not recharge like this i asked him.why you will not do the recharge then he told me i will not do your recharge he was only shouting at me again and again i took his photo then again i told him to do my recharge then after doing the recharge of passengers who were behind me in the quee he did my recharge. So this type of misbehaving of staff with the passengers are being done by some totally unfit emoloyees with the passengers such type of staff are totally unfit for being a namma metro employee please take an action against this staff.. thanking namma metro