EFFECT OF PENDING BILLS
(i) All bills pending in Lok Sabha at the time of dissolution whether originating in the house or transmitted to it by Rajya Sabha, lapse;
(ii) Bills passed by Lok Sabha. But which have not been disposed of and are pending in Rajya Sabha on the date of dissolution, lapse.
(iii) Bills originating in Rajya Sabha, which have not been passed by Lok Sabha but are still pending before Rajya Sabha, do not lapse.
(iv) A Bill upon which the Houses have disagreed and the President has notified his intention of summoning a Joint Sitting of the Houses for its consideration prior to dissolution, does not lapse, and may be passed at a Joint-Sitting of both houses, notwithstanding that dissolution has intervened since the president notified his intention to summon the joint-sitting of the houses.
(v) Bills passed by both the Houses and sent to the Preside t for assent do not lapse on dissolution of Lok Sabha.
(vi) Bills returned by the President for reconsideration do no lapse and can be reconsidered by the successive House.
(vii) All other business pending in Lok Sabha viz. motions, resolutions, amendments, supplementary demands for grants etc. at whatever stage, lapses upon dissolution.
(viii) Petitions presented to the House, which stand referred to the Committee on petitions, also lapse on dissolution.
(ix) Motions for approval or modification of statutory rules passed by Lok Sabha and transmitted to Rajya Sabha for concurrence and vice versa also lapse on dissolution of Lok Sabha.
(x) Pending assurances do not lapse and are considered by the Committee on Government Assurances of the new Lok Sabha.
According to this the marriage amendment bill if not passed in this session will lapse...see point no (i)
pls correct if i m wrong