Well, one thing is that you've only got 12 segments. Remember that you have up to a year to complete your travel. Do you have any breaks built into your itinerary? A DONEx is a great opportunity to generate frequent flyer miles. You could make a couple of long-haul side-trips. For example, ...-DEL-DOH-Europe-DOH-Europe-DOH-GRU-... would add one-third more to your points total. What FFP are you in?