Constitution of Sri Lanka

The Constitution of the Democratic Socialist Republic of Sri Lanka (Sinhala: ශ්‍රී ලංකා ආණ්ඩුක්‍රම ව්‍යවස්ථාව, romanized: Śrī Laṅkā āndukrama vyavasthāva, Tamil: இலங்கைச் சனநாயக சோசலிசக் குடியரசின் அரசமைப்பு, romanized: Ilaṅkaic caṉanāyaka cōcalicak kuṭiyaraciṉ aracamaippu) has been the constitution of the island nation of Sri Lanka since its original promulgation by the National State Assembly on 7 September 1978. As of October 2022 it has been formally amended 21 times.

Source: Wikipedia — Constitution of Sri Lanka (CC BY-SA 4.0)