Big Bazaar / Futurebazaar / Future Retail / Hometown — poor customer support / fraud

Address: Big bazaar , Unity one near janakpuri west metro station delhi, West Delhi, Delhi

I have done purchase of more than 19000 from big bazaar jankapuri delhi out of which i have returned one luggage of 5250 because there was network issue they issued me credit note instead of future pay and said we will adjust and now i came to know that its only for one month and they are not compensating and why should i be harrased after this, i have called customer care so many times visited the store they are so rude and inprofessional dont even know how to talk and handle customers . IF THERE WAS NETWORK ISSUE THEN WHY SHOULD I SUFFER THE LOSS, I AM LOSING MY PRICELESS TIME ATLEAST YOU SHOULD TRANSFER TO MY FUTURE PAY SO THAT I CAN USE WHENEVER I WANT WHY CUSTOMER SHOULD BE HARRASED FOR YOUR STAFF INCOMPETENCY AND MISTAKES????