Similarly, if the partition had been effected before September 5, 1985 the date on which the amending Act came into force, the daughter even though unmarried was not given a share in the family property. The crucial question, however, is as to when a partition can be said to have been effected for the purposes of the amended provision. A partition of the joint Hindu family can be effected by various modes, viz., by a family settlement, by a registered instrument of partition, by oral arrangement by the parties, or by a decree of the court. When a suit for partition is filed in a court, a preliminary decree is passed determining shares of the members of the family. The final decree follows, thereafter, allotting specific properties and directing the partition of the immovable properties by metes and bounds. Unless and until the final decree is passed and the allottees of the shares are put in possession of the respective property, the partition is not complete. The preliminary decree which determines shares does not bring about the final partition. For, pending the final decree the shares themselves are liable to be varied on account of the intervening events. In the instant case, there is no dispute that only a preliminary decree had been passed and before the final decree could be passed the amending Act came into force as a result of which clause (ii) of Section 29-A of the Act became applicable. This intervening event which gave shares to respondents 2 to 5 had the effect of varying shares of the parties like any supervening development. Since the legislation is beneficial and placed on the statute book with the avowed object of