1X = 1 Reward point per ₹125 spent
1 Reward point = ₹0.25
2000x0.25 - 500/- for spend of 10,000 Thats 5% return. And to redeem those 2000 points we have to pay 116.82 (99 redemption charges and 18% GST on it)
so, we get 3.84% return
For IDFC select you get 500/- voucher for 5000 spend. as welcome benefit