10% = 5% upto 750 max using neupass on croma + 5% upto unlimited on croma
While 10% discount/flat discount also as limit like upto 1k, 2k, etc
Discount will be anytime better than those NeuCoins lying & expiring, or redeeming at BB (with 20% depreciation which you because you can't apply any offer & earn NC for same).
Isliye bola product dekhke hi bataya ja sakta ki konsa offer best hoga .