Qualifications for membership of a Legislative Assembly: A person shall not be qualified to be chosen to fill a seat in the Legislative Assembly of a State unless (a) in the case of a seat reserved for the Scheduled Castes or for the Scheduled Tribes of that State, he is a member of any of those castes or of those tribes, as the case may be, and is an elector for any Assembly consti tuency in that State; (b) in the case of a seat reserved for an autonomous district of Assam, other than a seat the constituency for which comprises the cantonment and municipality of Shillong, he is a member of a Scheduled Tribe of any autonomous district and is an elector for the Assembly constituency in which such seat or any other seat is reserved for that district; and (c) in the case of any other seat, he is an elector for any Assembly constituency in that State"; Coming to the Legislative Council, we find that the qualifications for the four "electorates" are indicated by article 171(3)(a)(b)(c) & (d).