Long Distance Service Authorisation (LDSA) - NSO is a telecom authorisation granted by the Department of Telecommunications (DoT). It allows a company to provide National Long Distance and International Long Distance telecommunication services across National Service Area.
With this authorisation, a company can establish, operate, maintain and expand long distance telecom networks to carry voice, data, video and other communication traffic. Apply for LDSA NSO registration easily with assistance from Registrationwala!
Satisfied Clients
Services
Years Combined Experience
Get free consultation

























Long Distance Service Authorisation (LDSA) - Network Service Operator (NSO) is a telecom service authorisation issued by the Department of Telecommunications (DoT). It allows a business to provide National Long Distance and International Long Distance telecom services across National Service Area. With this authorisation, the NSO has the legal permission to set up, operate, maintain and expand long distance telecom networks.
These networks are used for the purpose of carrying voice calls, internet data, video and other communication traffic between different cities, states and countries. To apply for this authorisation, you need to file an online application via Telecom eServices Portal. While applying for this authorisation, you must ensure that your business meets the eligibility criteria.
You must submit all the required documents and provide accurate information in application form. If you need assistance with application process, Registrationwala can help you at every single step.
A Network Service Operator, abbreviated as NSO, is basically a telecom business that owns and operates a physical telecommunications network to provide telecom services. Since it owns the network, it does not need to lease telecom infrastructure from another operator. Instead, it can lease its network to other telecom operators.
An entity that has obtained the LDSA NSO is authorised by DoT to provide the following services:-
|
Category |
Permitted Services under LDSA - NSO |
|
National Long Distance (NLD) Service |
The authorised entity may provide the following NLD services:
|
|
International Long Distance (ILD) Service |
The authorised entity may provide the following ILD services:
|
|
Additional Services |
Apart from the above services, an NSO may also:
|
|
Network Types |
The authorised entity can provide the above-mentioned services using the following networks:
|
The long distance authorisation fee structure for NSOs is as follows:-
|
Category |
Service Authorisation |
Processing Fee |
Entry Fee |
Initial Guarantee |
|
NSO |
Long Distance Services Authorisation |
Rs. 10,000 |
Rs. 1 crore |
Rs. 1 crore |
The eligibility criteria for Long Distance Service Authorisation NSO are given below:-
The entity must be a company incorporated under the Companies Act.
It must meet the minimum paid up equity capital and net worth requirements given in Schedule C, wherever applicable.
It must follow FDI policy and the applicable laws of India.
The entity must ensure that no prohibited investor has any direct/indirect investment or control in it.
It must comply with beneficial ownership and cross-holding provisions given under the Rules.
It must clear all dues/liabilities/penalties/other obligations related to any previous telecom licence or authorisation, wherever applicable.
The minimum equity capital and net worth requirements for obtaining the Long Distance Service Authorisation are given below:-
|
Type of Service Authorisation |
Minimum Equity Capital Requirement |
Minimum Networth Requirement |
|
Long Distance Service Authorisation - NSO |
Rs. 2.5 Crore |
Rs. 2.5 Crore |
While filing an LSDA NSO application, the documents stated below are of utmost importance. All the mentioned documents must be obtained prior to filing the application to avoid application delays/rejection:-
Certificate of Incorporation issued under Companies Act, 2013.
Memorandum of Association and Articles of Association.
Board Resolution authorising submission of application.
Shareholding pattern and beneficial ownership details.
Digital Signature Certificate.
Chartered Accountant certificate for paid-up equity capital and net worth.
Declarations related to Foreign Direct Investment (FDI) and details of foreign investments, when applicable.
An undertaking regarding prohibited investors.
Compliance certificate addressing cross-holding restrictions.
Details regarding ownership, management and control structure.
Undertakings for security and lawful interception compliance.
Technical and network deployment details related to long distance services.
Interconnection and network architecture details, as necessary.
The application process for obtaining the Long Distance Service Authorisation for NSO is explained below:-
Step 1:- The entity must ensure compliance with the minimum paid-up equity capital, net worth requirements, FDI policy, prohibited investor restrictions and cross-holding conditions.
Step 2:- The entity must then submit the application via Telecom eServices Portal along with the required documents and application processing fee.
Step 3:- The Central Government will examine the application after receiving it. It may ask the entity to provide additional documents/clarifications before checking its eligibility and compliance.
Step 4:- If entity is found eligible, the Central Government will issue a Letter of Intent (LoI). The entity must then fulfil the LoI conditions within the prescribed time, pay the entry fee and also submit Initial Guarantee.
Step 5:- After the entity fulfils all the requirements, a Unique Authorisation Number will be generated and the Long Distance Service Authorisation will be granted to it.
The Long Distance Service Authorisation for NSO comes with a fixed validity period. This validity period is 20 years. After this period, it can be renewed for another 20 years to continue providing authorised telecom services. To renew the authorisation, the applicant must submit the renewal application at least 12 months before the current authorisation expires.
When it comes to telecom authorisations, understanding all the rules can be difficult, especially as the new telecom authorisation system has replaced the old licensing system. However, with Registrationwala's telecom consultants by your side, there is no need to worry. Here's how we can help in obtaining long distance service authorisation NSO:
Assessing applicant's eligibility for authorisation.
Preparing as well as organising all the required documents.
Submitting telecom authorisation application on applicant's behalf.
Monitoring application status on a regular basis.
Responding to any queries raised by DoT during application process.
Providing complete assistance until the authorisation is granted.
Q1. What are the minimum equity capital and net worth requirements for long distance authorisation for NSO?
A. The minimum equity capital and net worth requirements for this authorisation are Rs. 2.5 crore and Rs. 2.5 crore, respectively.
Q2. What is the LDSA NSO application processing fee?
A. The LDSA NSO processing fee is Rs. 10,000.
Q3. Which government department issues long distance service authorisation to NSOs in India?
A. The Department of Telecommunications issues long distance service authorization online to NSOs in India.
Q4. What is the validity of LDS authorisation for NSO?
A. The Long Distance Service Authorisation for NSO is valid for 20 years. To continue providing the authorised services after its expiry, the authorised entity must apply for renewal at least 12 months before the expiry of the current authorisation.
Q5. Do companies with LDS authorisation - NSO need to pay an annual authorisation fee?
A. Yes, companies with this authorisation need to pay an annual authorisation fee, i.e., 8% of Adjusted Gross Revenue (AGR).
Q6. Can Registrationwala help me secure long distance service authorisation from DoT?
A. Yes, our consultants at Registrationwala can help you in securing long distance service authorisation from DoT by offering full-fledged assistance in fulfilling eligibility requirements, documentation and application filing with accurate details.
Transform your Business.