Section 168(ii) in The Indian Succession Act, 1925
(ii)A, having contracted for the purchase of a piece of land for a certain sum of money, one-half of which is to be paid down and the other half secured by mortgage of the land, bequeaths it to B, and dies before he has paid or secured any part of the purchase-money. One-half of the purchase-money must be paid out of A’s assets.