well naseem zehra said that the documentary said that an aide of indira said that indira said "thousand years". even if the documentary is ever found, it is still unsubstantiated. it removes one layer of unsubstantiation. but who is to conform that the documentary got it right, (after all there is a difference between documentary and news). then who is to confirm that the aide said the right thing. what if she made it up. its a classical he said/she said scenario.
safely speaking unless it came as an official press release, or indira was videotaped/audiotaped saying this, or if atleast one more witness came up and said the same thing it is a rumour. how come Mrs. gandhi who lived for another 13 years after 1971, never repeated anything similar.
lastly dude however cool you are with the statement, as in indian muslim i think if she said that, its totally uncool. and its more important what i think than what you think, becuz it is my country. no offence intended.