Spice Jet Airlines — Refund for excess baggage.

I bought 15 kilos extra baggage before flying from delhi to Bagdogra for 6750 rupees. The transaction went through but it did not show in the spicejet systems so had to pay another 8250 rupees in the airport. Its been more than two weeks that i have been trying to contact and reaolve the case and get my money back. Even after the proof through my bank statement and the email sent to me by the bank, the customer relationa keep sending links to fill the reasons. However, after filling the transactions details, I still have not
Heard anything from their end. REQKRT is my pnr.

Pema Dolma Lama