The Registration Act,1908
Section 26. Documents executed out of India
When a document purporting to have been executed by all or any of the parties out of India is not presented for registration in after the expiration of the time hereinbefore prescribed in that behalf, the registering officer, if satisfied. –
(a) That the instrument was so executed, and
(b) That it has been presented for registration within four months after its arrival in India,
May, on payment of the proper registration-fee, accept such document for registration.