Voting Rights and Suffrage/History/Country sources/Bangladesh

Voting Rights and Suffrage

What is the oldest written source in this country that mentions this right?

Bangladesh

Article 122 of the 1972 Bangladesh Constitution describes the following qualifications for voters: "(1) The elections to Parliament shall be on the basis of adult franchise. (2) A person shall be entitled to be enrolled on the electoral roll for a constituency delimited the purpose of election to Parliament, if he- (a) is a citizen of Bangladesh; (b) is not less than eighteen years of age; c) does not stand declared by a competent court to be of unsound mind; and (d) is or is deemed by law to be a resident of that constituency."

References:

http://hrlibrary.umn.edu/research/bangladesh-constitution.pdf