Order Value means Total Item Value (excluding Shipping & GST Amount)
Once Order gets confirmed ORP will get auto update in your A/c
You can redeem ORP against your next order & NOT in same order
Cannot Redeem part value of ORP i.e. If your Order Value is 1500/- & you have 2000 ORP in your account then balance ORP will gets laps
"The Teach Yourself Guide to Numismatics" by C.C. Chamberlain, Total pages-180