In fixed deposit you deposit a
certain some for a definite
period. You can opt either for
periodical(monthly/quarterly/half
yearly or annually) returns or
simply opt to get the amount
with accumulated interest at the
end of the prescribed period.
In recurring deposit, you pay a
fixed amount at regular intervals
(say 100 PM for 12 months). You
will get back the amount with
accumulated interest at the end
of the prescribed period.