Fd interest less than 10000

yes,u should show it under the head income from other sources while filing ITR

even if this aggregate amount is total interest from more than one bank?

(total annual FD interest < Rs. 10000)

it should de disclosed under income from other source it doesn't matter whether from diff. banks

he have to show income from other sources and he will not get deduction u/s 80TTA as it is applicable for saving bank interest and not on fd interest