Sir,
Capital gains arises in the year of transfer
And transfer according to sec 2(47) of IT act means
(i) the sale, exchange or relinquishment of the asset ; or
(ii) the extinguishment of any rights therein; or
(iii) the compulsory acquisition thereof under any law ; or
(iv) in a case where the asset is converted by the owner thereof into, or is treated by him as, stock-in-trade of a business carried on by him, such conversion or treatment or
(v) any transaction involving the allowing of the possession of any immovable property to be taken or retained in part performance of a contract of the nature referred to in section 53A of the Transfer of Property Act, 1882 (4 of 1882) ; or
(vi) any transaction (whether by way of becoming a member of, or acquiring shares in, a co-operative society, company or other association of persons or by way of any agreement or any arrangement or in any other manner whatsoever) which has the effect of transferring, or enabling the enjoyment of, any immov-able property.
So i hope it will be taxed in the year it was sold even though consideration was received later..Tax will be calculated on 670000 in the year when it was sold by her...