India

(1) All citizens shall have the right—
…
(c) to form associations or unions or co-operatives societies;
… (Art. 19)

There shall be one general electoral roll for every territorial constituency for election to either House of Parliament or to the House or either House of the Legislature of a State and no person shall be ineligible for inclusion in any such roll or claim to be included in any special electoral roll for any such constituency on grounds only of religion, race, caste, sex or any of them. (Art. 325)

The elections to the House of the People and to the Legislative Assembly of every State shall be on the basis of adult suffrage; that is to say, every person who is a citizen of India and who is not less than eighteen years of age on such date as may be fixed in that behalf by or under any law made by the appropriate Legislature and is not otherwise disqualified under this Constitution or any law made by the appropriate Legislature on the ground of non-residence, unsoundness of mind, crime or corrupt or illegal practice, shall be entitled to be registered as a voter at any such election. (Art. 326)

(1) Seats shall be reserved for—
(a) the Scheduled Castes; and
(b) the Scheduled Tribes,
in every Panchayat and the number of seats so reserved shall bear, as nearly as may be, the same proportion to the total number of seats to be filled by direct election in that Panchayat as the population of the Scheduled Castes in that Panchayat area or of the Scheduled Tribes in that Panchayat area bears to the total population of that area and such seats may be allotted by rotation to different constituencies in a Panchayat.
(2) Not less than one-third of the total number of seats reserved under clause (1) shall be reserved for women belonging to the Scheduled Castes or, as the case may be, the Scheduled Tribes.
(3) Not less than one-third (including the number of seats reserved for women belonging to the Scheduled Castes and the Scheduled Tribes) of the total number of seats to be filled by direct election in every Panchayat shall be reserved for women and such seats may be allotted by rotation to different constituencies in a Panchayat.
(4) The offices of the Chairpersons in the Panchayats at the village or any other level shall be reserved for the Scheduled Castes, the Scheduled Tribes and women in such manner as the Legislature of a State may, by law, provide:
Provided that the number of offices of Chairpersons reserved for the Scheduled Castes and the Scheduled Tribes in the Panchayats at each level in any State shall bear, as nearly as may be, the same proportion to the total number of such offices in the Panchayats at each level as the population of the Scheduled Castes in the State or of the Scheduled Tribes in the State bears to the total population of the State:
Provided further that not less than one-third of the total number of offices of Chairpersons in the Panchayats at each level shall be reserved for women:
… (Art. 243D)

(1) Seats shall be reserved for the Scheduled Castes and the Scheduled Tribes in every Municipality and the number of seats so reserved shall bear, as nearly as may be, the same proportion to the total number of seats to be filled by direct election in that Municipality as the population of the Scheduled Castes in the Municipal area or of the Scheduled Tribes in the Municipal area bears to the total population of that area and such seats may be allotted by rotation to different constituencies in a Municipality.
(2) Not less than one-third of the total number of seats reserved under clause (1) shall be reserved for women belonging to the Scheduled Castes or, as the case may be, the Scheduled Tribes.
(3) Not less than one-third (including the number of seats reserved for women belonging to the Scheduled Castes and the Scheduled Tribes) of the total number of seats to be filled by direct election in every Municipality shall be reserved for women and such seats may be allotted by rotation to different constituencies in a Municipality.
… (Art. 243T)

(1) The superintendence, direction and control of the preparation of the electoral rolls for, and the conduct of, all elections to Parliament and to the Legislature of every State and of elections to the offices of President and Vice-President held under this Constitution shall be vested in the Election Commission.
(2) The Election Commission shall consist of the Chief Election Commissioner and such number of other Election Commissioners, if any, as the President may from time to time fix and the appointment of the Chief Election Commissioner and other Election Commissioners shall, subject to the provisions of any law made in that behalf by Parliament, be made by the President.
… (Art. 324)

There shall be a President of India. (Art. 52)

(1) The executive power of the Union shall be vested in the President and shall be exercised by him either directly or through officers subordinate to him in accordance with this Constitution.
… (Art. 53)

The President shall be elected by the members of an electoral college consisting of—
(a) the elected members of both Houses of Parliament; and
(b) the elected members of the Legislative Assemblies of the States. (Art. 54)

(1) No person shall be eligible for election as President unless he—
(a) is a citizen of India,
(b) has completed the age of thirty-five years, and
(c) is qualified for election as a member of the House of the People.
(2) A person shall not be eligible for election as President if he holds any office of profit under the Government of India or the Government of any State or under any local or other authority subject to the control of any of the said Governments. (Art. 58)

There shall be a Vice-President of India. (Art. 63)

(1) The Vice-President shall be elected by the members of an electoral college consisting of the members of both Houses of Parliament in accordance with the system of proportional representation by means of the single transferable vote and the voting at such election shall be by secret ballot.
(2) The Vice-President shall not be a member of either House of Parliament or of a House of the Legislature of any State, and if a member of either House of Parliament or of a House of the Legislature of any State be elected Vice-President, he shall be deemed to have vacated his seat in that House on the date on which he enters upon his office as Vice-President.
(3) No person shall be eligible for election as Vice-President unless he—
(a) is a citizen of India;
(b) has completed the age of thirty-five years; and
(c) is qualified for election as a member of the Council of States.
… (Art. 66)

(1) There shall be a Council of Ministers with the Prime Minister at the head to aid and advise the President who shall, in the exercise of his functions, act in accordance with such advice:
… (Art. 74)

(1) The Prime Minister shall be appointed by the President and the other Ministers shall be appointed by the President on the advice of the Prime Minister.
… (Art. 75)

There shall be a Parliament for the Union which shall consist of the President and two Houses to be known respectively as the Council of States and the House of the People. (Art. 79)

(1) The Council of States shall consist of—
(a) twelve members to be nominated by the President in accordance with the provisions of clause (3); and
(b) not more than two hundred and thirty-eight representatives of the States and of the Union territories.
(2) The allocation of seats in the Council of States to be filled by representatives of the States and of the Union territories shall be in accordance with the provisions in that behalf contained in the Fourth Schedule.
(3) The members to be nominated by the President under sub-clause (a)of clause (1) shall consist of persons having special knowledge or practical experience in respect of such matters as the following, namely:—
Literature, science, art and social service.
(4) The representatives of each State in the Council of States shall be elected by the elected members of the Legislative Assembly of the State in accordance with the system of proportional representation by means of the single transferable vote.
(5) The representatives of the Union territories in the Council of States shall be chosen in such manner as Parliament may by law prescribe. (Art. 80)

(1) Subject to the provisions of article 331, the House of the People shall consist of—
(a) not more than five hundred and thirty members chosen by direct election from territorial constituencies in the States, and
(b) not more than twenty members to represent the Union territories, chosen in such manner as Parliament may by law provide.
… (Art. 81)

A person shall not be qualified to be chosen to fill a seat in Parliament unless he—
(a) is a citizen of India, and makes and subscribes before some person authorised in that behalf by the Election Commission an oath or affirmation according to the form set out for the purpose in the Third Schedule;
(b) is, in the case of a seat in the Council of States, not less than thirty years of age and, in the case of a seat in the House of the People, not less than twenty-five years of age; and
(c) possesses such other qualifications as may be prescribed in that behalf by or under any law made by Parliament. (Art. 84)