Non-empty Delivery

A person having 2 branches of Bananas, each branch having 50 numbers, has to cross a river in 50 boats (because after certain time the first boat man transport the person and the bunch to the second boat, the second one doing the same to the third and so on and so forth until the 50 th boat who reaches the other bank finally) but with the condition that each boatman has to be given a banana per branch he carries. Obeying the conditions stipulated strictly, the poor man cannot make it anything to his home since all 100 bananas would have been exhausted by delivering to the unscrupulous boatmen however he strikes upon a strange idea by which he could accomplish carrying something, if not all.
How did he do it?

Answer:

For the first 25 boats he gives 50 bananas from the same branch so that from the 26th boat onwards, he might have only one branch and therefore is expected to give only one banana, thereby leaving 25 bananas to take it home gleefully.

note: the above problem was communicated to me by a small south indian lad aged 12 by name Ashwin and by another most talented child Bharath, residing in Madras.