Which one of the following is not a Defence Publice Sector Undertaking ?

1. Evolution and Classification of CPSEs (basic)

Welcome to your first step in mastering the world of Public Sector Enterprises! To understand Central Public Sector Enterprises (CPSEs), we must start with their definition: a CPSE is a company where the Central Government (or other CPSEs) holds 51% or more of the total share capital Indian Economy, Nitin Singhania (ed 2nd 2021-22), Indian Industry, p.381. These entities were envisioned not just as profit-makers, but as the 'engines of growth' for a newly independent India that lacked private capital and infrastructure. Modern CPSEs are classified in several ways to help the government manage them effectively. Sectorally, they operate in four main areas: Agriculture, Mining & Exploration, Manufacturing, and Services. However, a more critical classification for your exams is based on administrative control and financial autonomy. While the Ministry of Heavy Industries oversees many, others fall under specific technical ministries. For example, Defence Public Sector Undertakings (DPSUs) like Bharat Electronics Ltd (BEL) are managed by the Ministry of Defence, whereas power giants like NHPC fall under the Ministry of Power. To encourage efficiency and global competitiveness, the government also grants 'Ratna' statuses (Maharatna, Navratna, and Miniratna) based on performance and size. These titles are awarded by the Department of Public Enterprises and provide the management of these companies with varying degrees of financial autonomy to make investment decisions without seeking constant government approval Indian Economy, Nitin Singhania (ed 2nd 2021-22), Indian Industry, p.381.

Sources: Indian Economy, Nitin Singhania (ed 2nd 2021-22), Indian Industry, p.381; Indian Economy, Nitin Singhania (ed 2nd 2021-22), Indian Industry, p.403; History, class XII (Tamilnadu state board 2024 ed.), Envisioning a New Socio-Economic Order, p.122

2. Financial Autonomy: Maharatna, Navratna, and Miniratna (intermediate)

To foster a culture of professional management and global competitiveness, the Government of India classifies Central Public Sector Enterprises (CPSEs) into three tiers of financial autonomy: Maharatna, Navratna, and Miniratna. Think of this as a "promotion ladder" where higher performance earns a company greater freedom to make its own investment decisions without constantly seeking Cabinet approval. This decentralization allows these "Public Sector Giants" to respond quickly to market dynamics, much like their private sector counterparts.

The Maharatna category is the elite tier. To achieve this status, a company must already be a Navratna, be listed on an Indian stock exchange, and maintain a significant global presence. Specifically, it must meet high financial thresholds over the last three years: an average annual turnover of more than ₹25,000 crore, an average net worth exceeding ₹15,000 crore, and an average annual net profit after tax of more than ₹5,000 crore Nitin Singhania, Indian Industry, p.383. Companies like ONGC, SAIL, and Power Grid Corporation fall into this elite group, granting them the power to invest up to ₹5,000 crore in a single project independently.

The Navratna and Miniratna tiers provide intermediate levels of freedom. A Navratna status requires a company to first be a 'Miniratna Category-I' and achieve a composite score of 60 out of 100 based on six performance parameters, such as net profit to net worth and manpower costs Nitin Singhania, Indian Industry, p.381. Meanwhile, Miniratnas are divided into Category-I and Category-II based on their profit history and net worth. This tiered system ensures that as a public company grows more stable and profitable, the "umbilical cord" to the Ministry is gradually loosened, allowing for more agile governance.

Status	Key Eligibility (Financials)	Investment Autonomy
Maharatna	Net Profit > ₹5,000cr; Net Worth > ₹15,000cr; Turnover > ₹25,000cr (3-yr avg)	Up to ₹5,000 crore or 15% of net worth.
Navratna	Score of 60/100 on 6 parameters; must be Miniratna Cat-I	Up to ₹1,000 crore or 15% of net worth.
Miniratna (Cat-I)	Profit in last 3 years; positive net worth	Up to ₹500 crore or net worth (whichever is less).

Sources: Indian Economy, Nitin Singhania, Indian Industry, p.383; Indian Economy, Nitin Singhania, Indian Industry, p.381

3. New PSE Policy 2021: Strategic vs Non-Strategic (intermediate)

The New Public Sector Enterprise (PSE) Policy, unveiled in 2021 as part of the Aatma Nirbhar Bharat Abhiyan, marks a paradigm shift in how India manages its state-owned assets. Historically, the government maintained a presence in almost every corner of the economy. However, this new policy fundamentally reclassifies all Central Public Sector Enterprises (CPSEs) into two distinct buckets: Strategic and Non-Strategic sectors Indian Economy, Nitin Singhania, Poverty, Inequality and Unemployment, p.58. The underlying philosophy is that the government should only remain in business where it is essential for national security or public interest, while exiting areas where the private sector can operate more efficiently Geography of India, Majid Husain, Contemporary Issues, p.84.

In Strategic Sectors, the government has decided to maintain a "bare minimum" presence. This means the government will not try to dominate the entire sector but will keep only a few essential firms under its control. The remaining enterprises in these sectors will be privatized, merged, or closed to ensure better resource utilization Indian Economy, Vivek Singh, Money and Banking- Part I, p.106. In sharp contrast, for Non-Strategic Sectors, the mandate is clear: all CPSEs will eventually be privatized or closed down entirely. This is intended to stop the "drain on state resources" and use those funds for social welfare and infrastructure development instead.

To help you memorize the landscape, the policy identifies exactly four strategic sectors. If a company doesn't fall into one of these four categories, it is considered non-strategic.

Category	Strategic Sectors Included
1. Security & Tech	Atomic energy, Space, and Defence
2. Connectivity	Transport and Telecommunications
3. Energy & Resources	Power, Petroleum, Coal, and other minerals
4. Financial Stability	Banking, Insurance, and Financial Services

Sources: Indian Economy, Nitin Singhania, Poverty, Inequality and Unemployment, p.58; Geography of India, Majid Husain, Contemporary Issues, p.84; Indian Economy, Vivek Singh, Money and Banking- Part I, p.106

4. Disinvestment and the Role of DIPAM (intermediate)

At its core, disinvestment refers to the process where the government sells or liquidates its assets or stakes in public sector enterprises. Think of it as the government 'rebalancing its portfolio'—exchanging equity in a company for cash that can be used for fiscal requirements or social sector spending Nitin Singhania, Indian Tax Structure and Public Finance, p.106. However, it is vital to understand that not all disinvestment leads to privatization. If the government sells 10% of its shares but keeps 60%, it still controls the company. It is only when the government's stake falls below 50%, or it hands over management control, that we head into the territory of privatization.

Since 2019, the Department of Investment and Public Asset Management (DIPAM), which operates under the Ministry of Finance, has acted as the nodal agency for this process. The workflow is highly structured: DIPAM and NITI Aayog collaborate to identify which Public Sector Undertakings (PSUs) are ripe for strategic sale. Once identified, the proposal moves to the Cabinet Committee on Economic Affairs (CCEA) for the final stamp of approval. To speed things up, the government also uses an 'Alternative Mechanism'—an inter-ministerial group that clears hurdles in the disinvestment process Vivek Singh, Money and Banking- Part I, p.105.

The most critical distinction you must master is between 'Minority Disinvestment' and Strategic Disinvestment. In a minority sale, the government remains the boss. In a strategic sale, the government sells a significant portion of its shares (often 50% or more) and, crucially, transfers management control to a private partner Vivek Singh, Money and Banking- Part I, p.104. This means the buyer gets to decide how the company is run, which is intended to bring in private-sector efficiency and technology.

Feature	Minority Disinvestment	Strategic Disinvestment
Management Control	Stays with the Government	Transferred to the Buyer
Government Stake	Remains majority (usually >51%)	Often becomes minority (<50%)
Common Method	Initial Public Offers (IPOs) or OFS	Strategic Sale to a specific partner

Sources: Indian Economy, Nitin Singhania (ed 2nd 2021-22), Indian Tax Structure and Public Finance, p.106; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.105; Indian Economy, Vivek Singh (7th ed. 2023-24), Money and Banking- Part I, p.104

5. CPSEs in the Energy and Power Sector (intermediate)

To understand the backbone of India’s industrial growth, one must look at Central Public Sector Enterprises (CPSEs) in the energy and power sector. Because power infrastructure is incredibly capital-intensive and essential for national security, the Indian government historically took the lead in generating, transmitting, and distributing electricity. The Ministry of Power serves as the nodal agency, overseeing the development of electrical energy and managing the CPSEs that operate within this space Environment and Ecology, Majid Hussain, p.9.

These enterprises are generally categorized based on their functional role in the energy value chain: Generation (producing electricity) and Transmission (moving it across the country). For instance, while the National Thermal Power Corporation (NTPC) is the giant in fossil-fuel-based generation, the National Hydroelectric Power Corporation (NHPC) focuses on tapping India's river systems for power Geography of India, Majid Husain, p.25. It is crucial to distinguish these from other PSUs; for example, while NHPC is an energy CPSE, companies like Bharat Electronics Ltd (BEL) or Mazagon Dock fall under the Ministry of Defence and have entirely different mandates.

Entity	Primary Focus	Key Responsibility
NTPC	Thermal Power	Operation of coal and gas-based power stations across India.
NHPC	Hydroelectric Power	Planning and executing large-scale hydro projects.
PGCIL	Transmission	Establishing the National Power Grid and interstate transmission systems.

Beyond conventional sources, the sector is evolving toward sustainability. There is an increasing focus on Waste-to-Energy initiatives, with significant potential estimated from municipal solid waste (approx. 1,460 MW) and industrial waste Environment, Shankar IAS Academy, p.294. This shift ensures that CPSEs are not just maintaining the status quo but are also pivoting toward India’s renewable energy targets.

Sources: Environment and Ecology, Majid Hussain, Distribution of World Natural Resources, p.9; Geography of India, Majid Husain, Energy Resources, p.25; Environment, Shankar IAS Academy, Renewable Energy, p.294

6. Defence Production and the 16 DPSUs (exam-level)

To understand India's military self-reliance, we must first look at the Defence Public Sector Undertakings (DPSUs). These are specialized companies operating under the administrative control of the Department of Defence Production within the Ministry of Defence. Under the Seventh Schedule of the Constitution, "Defence Industries" is a subject in the Union List (Entry 7), giving the Central Government exclusive jurisdiction over its regulation and development Indian Polity, M. Laxmikanth, World Constitutions, p.708. Historically, these entities were designed to ensure that the nation didn't rely solely on foreign imports for sensitive military technology. In recent years, the sector has undergone a massive structural shift. Defence is now classified as one of the four Strategic Sectors where the government will maintain a "bare minimum" presence while encouraging private sector participation Indian Economy, Vivek Singh, Money and Banking- Part I, p.106. A landmark move in this direction was the 2021 corporatization of the Ordnance Factory Board (OFB). Previously, ordnance factories functioned as government departments; they were restructured into 7 new corporate entities to improve autonomy, accountability, and efficiency Indian Economy, Vivek Singh, Indian Economy after 2014, p.248. This brought the total number of DPSUs to 16. These 16 DPSUs are not a monolith; they are highly specialized across different domains of warfare:

Functional Area	Key DPSUs	Specialization
Electronics	Bharat Electronics Ltd (BEL)	Radars, sonar, and electronic warfare systems.
Shipbuilding	Mazagon Dock (MDL), Garden Reach (GRSE), Goa Shipyard (GSL)	Construction of warships and submarines.
Aeronautics	Hindustan Aeronautics Ltd (HAL)	Fighter jets (Tejas), helicopters, and aero-engines.
Heavy Equipment	Bharat Earth Movers Ltd (BEML)	Tatra trucks, metro coaches, and mining equipment.
Missiles/Alloys	Bharat Dynamics (BDL), MIDHANI	Guided missiles and specialized metals/alloys.
Ammunition	Munitions India Ltd (New)	Ammunition and explosives (formerly part of OFB).

It is crucial to distinguish these from other Central Public Sector Enterprises (CPSEs). For example, while NHPC (National Hydroelectric Power Corporation) is a major government-owned company, it operates under the Ministry of Power and is not part of the defence production ecosystem. To further boost domestic manufacturing, the government has also increased Foreign Direct Investment (FDI) limits in defence to 74% under the automatic route Indian Economy, Vivek Singh, Indian Economy after 2014, p.248.

Sources: Indian Polity, World Constitutions, p.708; Indian Economy, Money and Banking- Part I, p.106; Indian Economy, Indian Economy after 2014, p.248

7. Solving the Original PYQ (exam-level)

This question tests your ability to categorize Central Public Sector Enterprises (CPSEs) based on their administrative ministries, a core concept you recently explored in the classification of government entities. To identify a Defence Public Sector Undertaking (DPSU), you must look for entities under the administrative control of the Department of Defence Production (DDP) within the Ministry of Defence. While many PSUs are involved in heavy industry or infrastructure, only those specifically dedicated to the indigenization of military hardware, naval vessels, and strategic electronics are classified as DPSUs.

To solve this, employ the process of elimination by analyzing the core functions of each entity. Bharat Electronics Ltd (BEL) and Bharat Earth Movers Ltd (BEML) are essential for tactical communication and military logistics, respectively, while Mazagon Dock Shipbuilders Limited is a cornerstone of India's naval construction. In contrast, the National Hydroelectric Power Corporation Ltd (NHPC) stands out as the correct answer because its primary mandate—hydroelectric power generation—falls under the Ministry of Power, not Defence. This highlights why understanding the sectoral alignment of "Navratna" and "Miniratna" companies is crucial for the UPSC prelims.

A common trap in such questions is the use of the "Bharat" or "National" prefix, which can lead a candidate to believe all such companies are strategically linked to the military. UPSC often uses "all-rounder" companies like BEML to confuse students, as their name suggests general civilian construction; however, their specialized role in manufacturing missile launchers and ground support equipment secures their status as a DPSU. Always verify if the primary output of the organization serves a civilian utility (like NHPC's energy) or a strategic military objective to avoid these pitfalls. Reference: Press Information Bureau (PIB) and Department of Defence Production official listings.