Full Text
REGD. No. D. L.-33004/99
The Gazette of India
CG-DL-E-18072025-264772
EXTRAORDINARY
PART II-Section 3-Sub-section (ii)
PUBLISHED BY AUTHORITY
No. 3193]
NEW DELHI, THURSDAY, JULY 17, 2025/ASHADHA 26, 1947
4776 GI/2025
(1)
MINISTRY OF COMMUNICATIONS
(Department of Telecommunications)
NOTIFICATION
New Delhi, the 16th July, 2025
S.O. 3263(E). In exercise of the powers conferred by sub-section (3) of section 22 of the Telecommunications
Act, 2023 (44 of 2023), the Central Government hereby declares the part of telecommunication network specified under
column (3) of the Table below of the telecommunication entities relating to the telecommunication services specified in
the corresponding entry under column (2) of the said Table as Critical Telecommunication Infrastructure for the
purposes of the said Act, namely:-
TABLE
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Sl. No. | Telecommunication service | Part of telecommunication network |
| (1) | (2) | (3) |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 1. | Mobile Services (2G and 3G) | (i) Operational Support Systems (OSS) of Home Location |
| | | Register (HLR); |
| | | (ii) Signal Transfer Point (STP); and |
| | | (iii) Customer Relationship Module (CRM). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2. | Mobile Services (4G) | (i) Operational Support Systems (OSS) of Home Subscriber |
| | | Server (HSS); and |
| | | (ii) Customer Relationship Module (CRM). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 3. | Mobile Services (5G) | (i) Operational Support Systems (OSS) of AUSF |
| | | (Authentication Server Function) and UDM (Unified Data |
| | | Management); and |
| | | (ii) Customer Relationship Module (CRM). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 4. | Internet Services | (i) International Border Gateway Router (IBGR); |
| | | (ii) Master Domain Name Server (DNS); |
| | | (iii) Route Reflector (RR); and |
| | | (iv) Customer Relationship Module (CRM). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 5. | Basic Service | (i) Customer Relationship Module (CRM); and |
| | | (ii) Management system of IMS. |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 6. | National Long Distance Service | (i) Systems and applications of MPLS-Network Operations |
| | | Centre (NOC); and |
| | | (ii) Customer Relationship Module (CRM). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 7. | International Long Distance Service | Submarine Line Terminal Equipment (SLTE). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 8. | Satellite Service | Systems and applications of Operations and Maintenance Centre |
| | | (OMC). |
+--------+---------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
[F. No. 18-29/2025/TTSCpart(3)]
DEVENDRA KUMAR RAI, Jt. Secy.
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Date: 2025.07.18 11:20:36 +05'30'