Section 14 in The Government of National Capital Territory of Delhi Act, 1991
Title: Vacation of seats
(1) No person shall be a member both of Parliament and of the Legislative Assembly and if a person is chosen a member both of Parliament and of such Assembly, then, at the expiration of such period as is specified in or under the Representation of the People Act, 1951 (43 of 1951) and the rules made by the President under clause (2) of article 101 and clause (2) of article 190, that persons seat in Parliament shall become vacant, unless he has previously resigned his seat in the Legislative Assembly.
(2) If a member of the Legislative Assembly—
(a) becomes subject to any disqualification mentioned in section 15 or section 16 for membership of the Assembly, or
(b) resigns his seat by writing under his hand addressed to the Speaker and his resignation is accepted by the Speaker,
his seat shall thereupon become vacant:
Provided that in the case of any resignation referred to in clause (b), if from the information received or otherwise and after making such inquiry as he thinks fit, the Speaker is satisfied that such resignation is not voluntary or genuine, he shall not accept such resignation.
(3) If for a period of sixty days a member of the Legislative Assembly is without permission of the Assembly absent from all meetings thereof, the Assembly may declare his seat vacant:
Provided that in computing the said period of sixty days, no account shall be taken of any period during which the Assembly is prorogued or is adjourned for more than four consecutive days
Title: Disqualifications for membership
(1) A person shall be disqualified for being chosen as, and for being, a member of the Legislative Assembly—
(a) if he holds any office of profit under the Government of India or the Government of any State or the Government of any Union territory other than an office declared by law made by Parliament or by the Legislature of any State or by the Legislative Assembly of the Capital or of any other Union territory not to disqualify its holder; or
(b) if he is for the time being disqualified for being chosen as, and for being, a member of either House of Parliament under the provisions of sub-clause (b), sub-clause (c) or sub-clause (d) of clause (1) of article 102 or of any law made in pursuance of that article.
(2) For the purposes of this section, a person shall not be deemed to hold an office of profit under the Government of India or the Government of any State or the Government of any Union territory by reason only that he is a Minister either for the Union or for such State or Union territory
(3) If any question arises as to whether a member of the Legislative Assembly has become disqualified for being such a member under the provisions of sub-section (1), the question shall be referred for the decision of the President and his decision shall be final.
(4) Before giving any decision on any such question, the President shall obtain the opinion of the Election Commission and shall act according to such opinion.
Title: Disqualification on ground of defection
The provisions of the Tenth Schedule to the Constitution shall, subject to the necessary modifications (including modifications for construing references therein to the Legislative Assembly of a State, article 188, article 194 and article 212 as references, respectively, to the Legislative Assembly, section 12, section 18 and section 37 of this Act), apply to and in relation to the members of the Legislative Assembly as they apply to and in relation to the members of the Legislative Assembly of a State, and accordingly:—
(a) the said Tenth Schedule as so modified shall be deemed to form part of this Act; and
(b) a person shall be disqualified for being a member of the Legislative Assembly if he is so disqualified under the said Tenth Schedule as so modified.
Title: Penalty for sitting and voting before making oath or affirmation or when not qualified or when disqualified
If a person sits or votes as a member of the Legislative Assembly before he has complied with the requirements of section 12 or when he knows that he is not qualified or that he is disqualified for membership thereof, he shall be liable in respect of each day on which he so sits or votes to a penalty of five hundred rupees to be recovered as a debt due to the Union.
Title: Powers, privileges, etc., of members
(1) Subject to the provisions of this Act and to the rules and standing orders regulating the procedure of the Legislative Assembly, there shall be freedom of speech in the Legislative Assembly.
(2) No member of the Legislative Assembly shall be liable to any proceedings in any court in respect of anything said or any vote given by him in the Assembly or any committee thereof and no person shall be so liable in respect of the publication by or under the authority of such Assembly of any report, paper, votes or proceedings.
(3) In other respects, the powers, privileges and immunities of the Legislative Assembly and of the members and the committees thereof shall be such as are for the time being enjoyed by the House of the People and its members and committees.
(4) The provisions of sub-sections (1), (2) and (3) shall apply in relation to persons who by virtue of this Act have the right to speak in, and otherwise to take part in the proceedings of, the Legislative Assembly or any committee thereof as they apply in relation to members of that Assembly.