(I) In these rules, unless the context otherwise requires, -
(a) "Act" means Information Technology Act, 2000 (2 i of 2000);
(b) "Appropriate Government" means appropriate Government as defined in clause (e) of sub-section (I) of seclion 2 of the Act;
(c) "Body Corporate" means body corporate as defined in Explanation (I) to section 43A of the Act;
(d) "Critical Information Infrastructure" means Critical Information Infrastructure as defined in Explanation to sub-section (1) of section 70 of the Act;
(e) "Critical Sector" means sectors, which are critical to the nation and whose incapacitation or destruction will have a debilitating impact on national security, economy, public health or safety;
(0 "Indian Computer Emergency response Team" means the Indian Computer Emergency Response Team notified under sub-section (I) of section 70B of the Act;
(g) "Intermediary" means an intermediary as defined in clause (w) of sub-section (I) of section 2 of the Act;
(h) "Nodal Officers" means officer(s) nominated by the appropriate Governments) and its agencies, body corporates, and other entities in the designated critical sectors, who shall inform, cooperate with and support the designated Nodal Agency or its units as and when required for the protection of Critical Information Infrastructure and associated protected systems;
(i) 'Technical Centre" means technical units of the National Critical Information Infrastructure Protection Centre or critical sectorfs) or of the appropriate Governments and its agencies, which shall work cohesively in synergistic manner with the National Critical Information Infrastructure Protection Centre for the protection of Critical Information Infrastructure.
(2) Words and expressions used in these rules but not defined and defined in the Act shall have the same meaning as is assigned to them in the Act.
3. (1) National Critical Information Infrastructure Protection Centre (hereinafter referred to as NCIIPC) shall be the national nodal agency designated under section 70A of the Act in respect of Critical Information Infrastructure Protection and shall function at the address to be notified.
(2) National Critical Information Infrastructure Protection Centre shall be a part of and under the administrative control of the National Technical Research Organisation (NTRO),
(3) National Critical Information Infrastructure Protection Centre shall function on a twenty-four-hour basis on all days of the year including Government holidays. The address and other contact details of NCIIPC $Hall be published on its website.
(4) National Critical Information Infrastructure Protection Centre constituency shall be the Indian critical information infrastructure as notified by the Government from time to time and excluding those notified under the Ministry of Defence.