It was observed : "Thus,keeping in view the settled position that the provisions of Section 3 of TADA have been held to be Constitutionally valid in Kartar Singh case and from the law laid down by this Court in Usmanbhai and Niranjan cases,it follows that an activity which is sought to be punished under Section 3(1) of TADA has to be such which cannot be classified as a mere law and order problem or disturbance of public order or even disturbance of the even tempo of the life of the community of any specified locality but is of the nature which cannot be tackled as an ordinary criminal activity under the ordinary penal law by the normal law-enforcement agencies because the intended extent and reach of the criminal activity of the 'terrorist' is such which travels beyond the gravity of the mere disturbance of public order even of a 'virulent nature' and may at times transcend the frontiers of the locality and may include such anti-national activities which throw a challenge to the very integrity and sovereignty of the country in its democratic polity