“Therefore, right to and the welfare policy for vaccination can never affect a major fundamental right; i.e., right to life, personal liberty and livelihood, especially when there exists no reasonable nexus between vaccination and prohibition of continuance of occupation and/or profession. A harmonious and purposive construction of the provisions of law and principles of equity, good conscience and justice reveals that mandatory or forceful vaccination does not find any force in law leading to such acts being liable to be declared ultra vires ab initio.”