First of all please pardon me for asking a basic question. I do not have the program literature with me to help me out, since that is mailed to my Indian (permanent) address.

I got a boatload of FD points during their Elite Match promotion. Due to changes in my job etc., I no longer commute and only take flights for leisure. I have not earned any FD miles since the promotion, though I have booked a few free tickets using my FD miles.

Am I at any risk of losing my miles?
In case I am in the danger of losing my miles, what remedial action do I need to take?