The persons working in textile factories such as carpet weavers are exposed to which of the following occupational diseases ?

1. Basics of Occupational Health and Environmental Hazards (basic)

Occupational Health is a field focused on the physical and mental well-being of workers in their place of employment. At its core, it examines how specific work environments—such as factories, mines, or construction sites—expose individuals to hazards that wouldn't normally be present in daily life. When we talk about Environmental Hazards in this context, we are looking at how external factors like dust, chemicals, or poor ventilation directly impact human biology.

One of the most significant hazards involves the inhalation of particulate matter. In the textile and carpet industries, workers are constantly exposed to organic dusts from materials like cotton, wool, and jute. Unlike common household dust, these fine fibers settle deep into the lung tissue, leading to chronic inflammation. A primary example is Byssinosis, colloquially known as "brown lung" disease, which is specifically caused by cotton dust. Over time, this exposure can escalate into chronic bronchitis or emphysema, significantly reducing a person's quality of life Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), Chapter 6, p.39.

It is important to distinguish between different types of occupational lung diseases based on the source of the pollutant:

Disease	Source/Pollutant	Industry Typical
Byssinosis	Cotton Dust	Textile Mills
Asbestosis	Asbestos Fibers	Mining / Sheet Manufacturing
Silicosis	Silica Dust	Mining / Pottery / Sandblasting
Siderosis	Iron Oxide	Welding / Iron working

Beyond chemical or physical irritants, the environment of the workplace plays a massive role. Traditional textile mills are often crowded and lack proper airflow. These "poorly ventilated" conditions facilitate the spread of infectious diseases, most notably Tuberculosis (TB). Furthermore, broader environmental degradation, such as urban air pollution, compounds these risks, leading to a surge in asthma attacks and chronic respiratory ailments Environment, Shankar IAS Academy (ed 10th), Chapter 29, p.415-416. In India, environmental factors are estimated to contribute significantly to child mortality and general years lost to illness Environment, Shankar IAS Academy (ed 10th), Environmental Issues, p.125.

Sources: Environment and Ecology, Majid Hussain (Access publishing 3rd ed.), Chapter 6: Environmental Degradation and Management, p.39; Environment, Shankar IAS Academy (ed 10th), Chapter 29: Environment Issues and Health Effects, p.415-416; Environment, Shankar IAS Academy (ed 10th), Environmental Issues, p.125

2. Understanding Pneumoconiosis (Lung Dust Diseases) (basic)

At its core, Pneumoconiosis (from the Greek pneumon meaning lung and konis meaning dust) is a group of occupational lung diseases caused by the inhalation and accumulation of mineral or organic dust. When we breathe, our respiratory system acts as a filter. While larger particles are trapped by hair and mucus in the nose and throat, Suspended Particulate Matter (SPM)—specifically finer particles—can bypass these defenses and lodge deep within the lungs, causing long-term damage and pulmonary malfunctioning Environment, Shankar IAS Academy (ed 10th), Environmental Pollution, p.68.

Once these particles settle in the lung tissue, the body’s immune system attempts to clear them. However, many mineral dusts are indestructible. This triggers a persistent inflammatory response, leading to fibrosis (scarring of the lung tissue). This scarring makes the lungs stiff, making it increasingly difficult for the person to breathe. Depending on the type of dust inhaled, the disease takes on different names. For instance, coal miners often suffer from Black Lung disease, which is the specific form of pneumoconiosis caused by the deposit of coal dust Environment, Shankar IAS Academy (ed 10th), Environment Issues and Health Effects, p.416.

The impact of these diseases extends beyond just the dust itself. Workers in environments like textile mills or mines often face poorly ventilated conditions where they inhale organic fibers like cotton or jute. This exposure not only leads to chronic cough and bronchitis but also makes the respiratory tract highly vulnerable to secondary infections. For example, the weakened lung state can significantly increase the risk of infectious diseases like Tuberculosis Environment, Shankar IAS Academy (ed 10th), Animal Diversity of India, p.193.

To help you distinguish between the various types of occupational lung diseases, refer to the table below:

Disease Name	Source Material/Dust	Commonly Affected Workers
Black Lung (Pneumoconiosis)	Coal Dust	Coal Miners
Silicosis	Silica/Quartz Dust	Stone crushers, Miners, Glass workers
Byssinosis (Brown Lung)	Cotton Dust	Textile and Mill workers
Asbestosis	Asbestos Fibers	Construction and Insulation workers
Siderosis	Iron Oxide	Welders and Iron ore miners

Sources: Environment, Shankar IAS Academy (ed 10th), Environmental Pollution, p.68; Environment, Shankar IAS Academy (ed 10th), Environment Issues and Health Effects, p.416; Environment, Shankar IAS Academy (ed 10th), Animal Diversity of India, p.193

3. Infectious Diseases in Industrial Settings: The Case of TB (intermediate)

In the study of occupational health, Tuberculosis (TB) represents a unique intersection between infectious disease and industrial hazards. While TB is biologically caused by the bacterium Mycobacterium tuberculosis, its prevalence in certain industries—particularly textiles, carpet weaving, and cotton mills—is driven by environmental factors. Workers in these sectors are constantly exposed to organic dusts (from cotton, wool, and jute), which cause chronic inflammation and respiratory conditions like byssinosis (often called 'brown lung') and occupational asthma. This physical damage to the respiratory system makes the lungs more susceptible to bacterial infections like TB Science Class VIII NCERT, Health: The Ultimate Treasure, p.34.

The transmission of TB in industrial settings is primarily through droplet infection. When an infected worker coughs or sneezes, the bacteria are released into the air. In traditional textile mills or small-scale weaving units, the environment is often crowded and poorly ventilated, which facilitates the rapid spread of these droplets among the workforce Geography of India, Majid Husain, Contemporary Issues, p.25. This creates a "double whammy" for the worker: the organic dust weakens the lungs' natural defenses, and the cramped workspace ensures high exposure to the pathogen.

From a socio-economic perspective, TB is frequently categorized as a disease of poverty. It disproportionately affects urban casual-labour households and those in the lower economic strata who may suffer from malnutrition and reside in high-density housing Economics Class IX NCERT, Poverty as a Challenge, p.34. In the UPSC context, it is vital to distinguish TB from other occupational lung diseases: while silicosis is linked to mining and asbestosis to the asbestos industry, TB is the primary infectious threat exacerbated by the dusty, crowded conditions of the textile sector.

Feature	Byssinosis / Asthma	Tuberculosis (TB)
Nature	Non-infectious (Physical/Allergic)	Infectious (Bacterial)
Primary Cause	Inhalation of organic fibers (Cotton/Jute)	Mycobacterium tuberculosis
Industrial Link	Direct result of dust exposure	Exacerbated by poor ventilation & crowding

Sources: Science Class VIII NCERT, Health: The Ultimate Treasure, p.34; Geography of India, Majid Husain, Contemporary Issues, p.25; Economics Class IX NCERT, Poverty as a Challenge, p.34

4. Mining Hazards: Silicosis, Asbestosis, and Siderosis (intermediate)

To understand mining hazards, we must first understand the concept of Pneumoconiosis—a collective term for a group of lung diseases caused by the chronic inhalation of mineral dusts. In a mining environment, the air is often thick with microscopic particles that bypass the nose and throat's natural filters, settling deep within the alveoli (air sacs) of the lungs. Over time, the body’s immune response to these foreign particles leads to inflammation and permanent scarring, known as fibrosis. This makes the lung tissue stiff, making it difficult for the oxygen to enter the bloodstream. While there are many types of occupational lung diseases, three stand out due to their prevalence and severity:

• Silicosis: This is perhaps the most common occupational lung disease globally. It is caused by inhaling crystalline silica (SiO₂), which is found in abundance in rocks like granite and sandstone. When miners or sandblasters crush these rocks, they release fine silica dust. Once in the lungs, silica is toxic to the immune cells (macrophages), leading to the formation of hard, fibrous nodules Shankar IAS Academy, Environment Issues and Health Effects, p.416.
• Asbestosis: This condition results from inhaling asbestos fibers. Asbestos was long favored in mining and construction for its heat resistance and durability. However, these needle-like fibers are indestructible once lodged in lung tissue. Chronic exposure causes severe scarring and significantly increases the risk of lung cancer and mesothelioma Majid Hussain, Environmental Degradation and Management, p.39.
• Siderosis: Often referred to as "Welder’s Lung," this is caused by inhaling iron oxide (Fe₂O₃) dust or fumes. It is common in iron ore mining and welding. Interestingly, while the iron deposits make the lungs look quite dense on an X-ray, Siderosis is often considered less damaging than Silicosis because it typically does not cause the same level of aggressive scarring (fibrosis) unless other dusts like silica are also present.

Disease	Primary Pollutant	Common Industry/Source	Major Health Impact
Silicosis	Silica Dust (SiO₂)	Quarrying, Sandblasting, Stone Crushing	Fibrotic nodules, restricted breathing
Asbestosis	Asbestos Fibers	Mining, Roofing, Insulation	Severe scarring, high risk of Cancer
Siderosis	Iron Oxide (Fe₂O₃)	Iron Mining, Welding, Foundry work	Iron deposits in lungs (less scarring)

Sources: Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.416; Environment and Ecology, Majid Hussain, Environmental Degradation and Management, p.39

5. Labor Welfare and The Factories Act, 1948 (intermediate)

At its heart, Labor Welfare is the science of ensuring that the pursuit of economic productivity does not come at the cost of human dignity or physical health. In India, this journey began during the colonial era, primarily to regulate child labor and improve hazardous working conditions. The Indian Factory Act of 1881 was the first major step, focusing on children (prohibiting those under 7 from working), while the Act of 1891 extended protections to women by limiting their work hours and introducing a weekly holiday Rajiv Ahir, A Brief History of Modern India, Survey of British Policies in India, p.534. Transitioning to the post-independence era, The Factories Act, 1948 became the gold standard for workplace regulation. It didn't just look at hours; it looked at the environment. Amendments to this Act mandated that factories using hazardous processes appoint site appraisal committees to protect both workers and the surrounding community Rajiv Ahir, A Brief History of Modern India, After Nehru, p.726. However, in industries like textiles and carpet weaving, the health risks are often microscopic. Workers are constantly exposed to organic dust from cotton, wool, and jute. Inhaling these fibers leads to Byssinosis (commonly known as 'Brown Lung'), occupational asthma, and chronic bronchitis. Furthermore, the damp, crowded nature of traditional mills creates a breeding ground for infectious diseases like Tuberculosis. Today, we are moving toward the Occupational Safety, Health and Working Conditions (OSH) Code, 2020. This new code streamlines definitions—for instance, a 'factory' is now defined as an establishment with 20 workers (if using power) or 40 workers (without power) Vivek Singh, Indian Economy, Inclusive growth and issues, p.263. It also modernizes labor by allowing women to work night shifts (with consent and safety safeguards) and specifically addressing the vulnerabilities of inter-state migrant workers, ensuring they receive formal support previously unavailable to them Vivek Singh, Indian Economy, Inclusive growth and issues, p.267.

Sources: A Brief History of Modern India, Survey of British Policies in India, p.534; A Brief History of Modern India, After Nehru..., p.726; Indian Economy, Inclusive growth and issues, p.263; Indian Economy, Inclusive growth and issues, p.267

6. Organic Dust Hazards: Byssinosis and Textile Health Risks (exam-level)

In the vast landscape of occupational health, the textile and carpet industries present unique challenges due to the constant inhalation of organic dust. Unlike mineral dust (like silica or asbestos), organic dust originates from plant or animal fibers such as cotton, wool, flax, hemp, and jute. When workers spend long hours spinning and weaving these materials, microscopic fibers penetrate the respiratory tract, leading to a spectrum of debilitating conditions. One of the most specific and well-known hazards is Byssinosis, often colloquially called 'Brown Lung Disease'. It is primarily caused by inhaling cotton dust and is characterized by chest tightness, chronic coughing, and a significant decrease in lung capacity over time Environment and Ecology, Majid Hussain, Chapter 6, p.39.

Beyond Byssinosis, the mechanical irritation from these fibers frequently leads to chronic bronchitis and emphysema, where the delicate air sacs (alveoli) in the lungs are destroyed, making breathing increasingly difficult. Furthermore, the nature of the work environment plays a critical role. Many traditional textile mills and carpet-weaving units are crowded and poorly ventilated. These specific environmental conditions create a breeding ground for infectious respiratory diseases, most notably Tuberculosis (TB). Therefore, a textile worker faces a dual threat: mechanical/allergic damage from dust (asthma and byssinosis) and infectious risks due to the workspace environment.

It is crucial for an aspirant to distinguish these organic dust diseases from mineral-related Pneumoconiosis. For instance, while coal miners suffer from 'Black Lung' due to coal dust deposits Environment, Shankar IAS Academy, Chapter 29, p.416, textile workers are defined by their exposure to plant-based fibers. To help you keep these straight, look at the following comparison:

Disease	Causative Agent	Commonly Affected Industry
Byssinosis	Cotton, Flax, Hemp dust	Textiles, Cotton Mills
Pneumoconiosis	Coal Dust	Coal Mining
Asbestosis	Asbestos Fibers	Construction, Insulation, Shipping
Siderosis	Iron Oxide Dust	Welding, Iron Founding

Sources: Environment and Ecology, Majid Hussain, Environmental Degradation and Management, p.39; Environment, Shankar IAS Academy, Environment Issues and Health Effects, p.416; Geography of India, Majid Husain, Industries, p.17

7. Solving the Original PYQ (exam-level)

Now that you have mastered the fundamental links between specific pollutants and their physiological impacts, this question tests your ability to map organic dusts to their industrial sources. In our earlier modules, we discussed how textile workers, particularly carpet weavers, handle raw materials like cotton, wool, and jute. These organic fibers release fine particulates that, when inhaled, trigger hypersensitivity and chronic inflammation in the respiratory tract. This building block directly points to Asthma and the specific condition known as byssinosis (or 'brown lung'), which is a hallmark of the textile industry.

To arrive at the correct answer, you must look beyond just the chemical irritant and consider the physical work environment. As we studied in the context of environmental health, traditional textile units are often characterized by high humidity, poor ventilation, and overcrowding. These are classic catalysts for the spread of infectious respiratory diseases, most notably Tuberculosis. Therefore, the combination of (B) Asthma and Tuberculosis represents a dual threat: one caused by the material (dust) and the other by the setting (ventilation issues).

UPSC often uses 'thematic distractors'—options that are all technically occupational diseases but belong to different sectors. As noted in Environment, Shankar IAS Academy, Asbestosis and Silicosis are caused by inorganic mineral dusts associated with construction, mining, and stone-crushing, not textiles. Similarly, Siderosis is a condition linked to iron oxide inhalation, common among welders or miners. By focusing on the organic nature of the textile industry, you can eliminate these inorganic-based traps and confidently select the correct answer.