Can you explain how a competent Legislature or other competent authority can alter, repeal or amend these laws?
Based on the given context, a competent Legislature or other competent authority can alter, repeal, or amend these laws by enacting new legislation, making orders, or taking any other necessary actions that are consistent with the provisions of the Indian Constitution and relevant state laws. They may do this to address changing circumstances, needs, or priorities in the region, subject to any constitutional requirements or limitations that apply.