Constitution of India, 1949
394.Commencement.-
This article and
Articles 5, 6, 7, 8, 9, 60, 324, 366, 367, 379, 380, 388, 391, 392 and 393
shall come into force at once, and the remaining provisions of this
Constitution shall come into force on the twenty-sixth day of January, 1950,
which day is referred to in this Constitution as the commencement of this
Constitution.