MANUFACTURING INDUSTRIES

Manufacturing ka matlab hai raw materials ko process karke more valuable products banana. Jaise, wood se paper, sugarcane se sugar, iron ore se iron and steel.

• Secondary Sector Activity: Manufacturing industries secondary sector mein aati hain jahan primary materials ko finished goods mein convert kiya jaata hai.
• Economic Strength ka Index: Kisi bhi country ki economic strength uski manufacturing industries ke development se measure ki jaati hai.

Manufacturing ki Importance (Mahatva):

• Agriculture ka Modernisation: Manufacturing industries agriculture ko modernise karti hain, jaise tractors, fertilizers, pesticides provide karke. Ye agriculture par dependency kam karti hain aur secondary/tertiary sectors mein jobs deti hain.
• Unemployment aur Poverty Eradication: Industrial development unemployment aur poverty ko khatam karne ke liye zaroori hai. Public sector industries aur joint ventures ka yahi aim tha.
• Regional Disparities kam karna: Backward aur tribal areas mein industries lagane se regional disparities kam hoti hain.
• Foreign Exchange Earnings: Manufactured goods ke export se trade badhta hai aur foreign exchange milta hai.
• Prosperity: Jo countries raw materials ko high-value finished goods mein transform karti hain, wo prosperous hoti hain. India ki prosperity bhi manufacturing ko diversify aur increase karne mein hai.

Agriculture aur Industry ka Interdependence:

• Hand in Hand: Agriculture aur industry ek doosre se alag nahi, balki ek saath chalte hain.
• Agro-industries ka Boost: Agro-industries (jaise sugar, cotton) agriculture se raw material leti hain aur farmers ko products (irrigation pumps, fertilizers, tools) provide karti hain.
• Efficiency aur Competitiveness: Manufacturing industry ki development se agriculture production badhta hai aur production processes efficient bante hain. Globalisation ke time mein, Indian industries ko efficient aur competitive hona zaroori hai, taaki international market mein compete kar sakein.

Industries ko alag-alag criteria ke basis par classify kiya jaata hai, jisse unko better samajh sakein:

1. Source of Raw Materials ke Basis par:

• Agro-based Industries: Jo raw material agriculture se leti hain.
• Examples: Cotton, woollen, jute, silk textile, rubber, sugar, tea, coffee, edible oil.
• Mineral-based Industries: Jo raw material minerals aur metals se leti hain.
• Examples: Iron and steel, cement, aluminium, machine tools, petrochemicals.

2. Main Role ke According:

• Basic or Key Industries: Jo doosri industries ko raw material supply karti hain.
• Examples: Iron and steel, copper smelting, aluminium smelting.
• Consumer Industries: Jo goods direct consumers ke use ke liye banati hain.
• Examples: Sugar, toothpaste, paper, sewing machines, fans.

3. Capital Investment ke Basis par:

• Small Scale Industry: Jisme maximum investment assets par ek certain limit tak allowed hoti hai. Ye limit time ke saath change hoti rehti hai. Currently, ₹1 crore tak ki investment small scale industry mein aati hai.

4. Ownership ke Basis par:

• Public Sector: Government agencies dwara owned aur operated.
• Examples: BHEL (Bharat Heavy Electricals Limited), SAIL (Steel Authority of India Limited).
• Private Sector: Individuals ya group of individuals dwara owned aur operated.
• Examples: TISCO (Tata Iron and Steel Company), Bajaj Auto Ltd., Dabur Industries.
• Joint Sector: State (government) aur individuals/group of individuals dwara jointly run.
• Example: Oil India Ltd. (OIL).
• Cooperative Sector: Producers, suppliers of raw materials, workers ya dono dwara owned aur operated. Ye resources pool karte hain aur profits/losses share karte hain.
• Examples: Maharashtra mein sugar industry, Kerala mein coir industry.

5. Bulk aur Weight of Raw Material aur Finished Goods ke Basis par:

• Heavy Industries: Jo heavy aur bulky raw materials use karti hain aur heavy finished goods banati hain.
• Example: Iron and steel industry.
• Light Industries: Jo light raw materials use karti hain aur light goods banati hain.
• Example: Electrical goods industries.

Agro-based industries wo hain jo agricultural products ko raw material ke roop mein use karti hain. India mein ye sector bahut important hai.

1. Textile Industry:

• Unique Position: Indian economy mein textile industry ki unique position hai. Ye industrial production, employment generation aur foreign exchange earnings mein significant contribute karti hai.
• Self-reliant: Ye country ki ekmatra industry hai jo raw material se highest value-added products tak poori value chain mein self-reliant aur complete hai.

a) Cotton Textiles:

• Ancient India: Hand spinning aur handloom weaving techniques se cotton textiles bante the.
• Colonial Period: British mill-made cloth se compete na kar paane ke karan traditional industries ko setback mila.
• First Mill: First successful textile mill Mumbai mein 1854 mein establish hui.
• World Wars ka Impact: World Wars ke dauran UK mein cloth ki demand badhi, jisse Indian cotton textile industry ko boost mila.
• Concentration: Shuru mein Maharashtra aur Gujarat ke cotton growing belt mein concentrated thi, kyunki wahan raw cotton, market, transport (port facilities), labour aur moist climate available tha.
• Links with Agriculture: Ye industry farmers, cotton boll pluckers, aur ginning, spinning, weaving, dyeing, designing, packaging, tailoring, sewing mein lage workers ko livelihood provide karti hai.
• Support to other Industries: Chemicals, dyes, packaging materials aur engineering works jaise industries ko demand create karke support karti hai.
• Decentralisation: Spinning Maharashtra, Gujarat aur Tamil Nadu mein centralised hai, lekin weaving highly decentralised hai, taaki traditional skills aur designs ko incorporate kiya ja sake.
• Quality Issue: India spinning mein world-class production karta hai, lekin weaving mein low-quality fabric banta hai, kyunki high-quality yarn ka poora use nahi ho pata.
• Khadi: Handspun khadi cottage industry ke roop mein weavers ko large scale employment deti hai.

b) Jute Textiles:

• Producer & Exporter: India raw jute aur jute goods ka largest producer hai aur Bangladesh ke baad second largest exporter hai.
• Location: Most mills West Bengal mein, Hugli river ke banks par concentrated hain.
• First Jute Mill: First jute mill Kolkata ke paas Rishra mein 1855 mein set up hui.
• Partition ka Impact: 1947 ke Partition ke baad, mills India mein reh gaye, lekin 3/4th jute producing area Bangladesh mein chala gaya.
• Location Factors (Hugli Basin):
• Jute producing areas ki proximity.
• Inexpensive water transport (railways, roadways, waterways ka network).
• Raw jute processing ke liye abundant water.
• West Bengal aur adjoining states (Bihar, Odisha, UP) se cheap labour.
• Kolkata se banking, insurance aur port facilities.

2. Sugar Industry:

• Producer: India sugar ka second largest world producer hai, lekin gur aur khandsari production mein first place par hai.
• Raw Material: Sugarcane, jo ki bulky hota hai. Haulage (transport) mein iska sucrose content kam ho jaata hai.
• Location: Uttar Pradesh, Bihar, Maharashtra, Karnataka, Tamil Nadu, Andhra Pradesh, Gujarat, Punjab, Haryana aur Madhya Pradesh mein mills hain. 60% mills UP aur Bihar mein hain.
• Seasonal Nature: Ye industry seasonal hai, isliye cooperative sector ke liye ideal hai.
• Shift to Southern/Western States: Recent years mein mills southern aur western states (especially Maharashtra) mein shift ho rahe hain, kyunki wahan ke sugarcane mein higher sucrose content hota hai aur cooler climate ki wajah se longer crushing season milta hai. Wahan cooperatives bhi zyada successful hain.

Mineral-based industries wo hain jo minerals aur metals ko raw material ke roop mein use karti hain.

1. Iron and Steel Industry:

• Basic Industry: Ye ek basic industry hai kyunki saari doosri industries (heavy, medium, light) ispar machinery ke liye depend karti hain.
• Uses of Steel: Engineering goods, construction material, defence, medical, telephonic, scientific equipment aur consumer goods banane mein use hota hai.
• Index of Development: Steel ka production aur consumption kisi country ke development ka index mana jaata hai.
• Heavy Industry: Ye heavy industry hai kyunki raw materials aur finished goods dono heavy aur bulky hote hain, jisse transportation costs zyada aati hain.
• Raw Material Ratio: Iron ore, coking coal aur limestone ka approximate ratio 4:2:1 hota hai. Steel ko harden karne ke liye thodi quantity mein manganese bhi chahiye hota hai.
• Ideal Location: Steel plants wahan hone chahiye jahan raw materials easily available hon aur finished products ko markets tak pahunchane ke liye efficient transport network ho.
• Concentration: Chhotanagpur plateau region mein iron aur steel industries ka maximum concentration hai.
• Reasons: Low cost of iron ore, high grade raw materials ki proximity, cheap labour aur home market mein growth potential.

2. Aluminium Smelting:

• Second Most Important Metallurgical Industry: India mein ye doosri sabse important metallurgical industry hai.
• Properties: Light, corrosion resistant, good conductor of heat, malleable aur doosre metals ke saath mix karne par strong ho jaata hai.
• Uses: Aircraft, utensils aur wires banane mein use hota hai. Steel, copper, zinc aur lead ka substitute ban gaya hai.
• Location: Odisha, West Bengal, Kerala, Uttar Pradesh, Chhattisgarh, Maharashtra aur Tamil Nadu mein plants hain.
• Raw Material: Bauxite (bulky, dark reddish coloured rock).
• Prime Factors for Location: Regular supply of electricity aur minimum cost par raw material ka assured source.

Iron & Steel aur Aluminium ke alawa bhi kai important mineral-based industries hain:

1. Chemical Industries:

• Growth & Diversification: India mein chemical industry fast growing aur diversifying hai.
• Scale: Ismein large aur small scale manufacturing units dono hain.
• Sectors: Inorganic aur organic sectors dono mein rapid growth hai.
• Inorganic Chemicals: Sulphuric acid (fertilizers, synthetic fibres, plastics, adhesives, paints, dyes), nitric acid, alkalies, soda ash (glass, soaps, detergents, paper), caustic soda.
• Ye industries widely spread hain country mein.
• Organic Chemicals: Petrochemicals (synthetic fibres, synthetic rubber, plastics, dye-stuffs, drugs, pharmaceuticals).
• Ye plants oil refineries ya petrochemical plants ke paas located hote hain.
• Largest Consumer: Chemical industry apni hi sabse badi consumer hai. Basic chemicals ko process karke doosre chemicals bante hain jo industrial, agricultural ya direct consumer markets mein use hote hain.

2. Fertilizer Industry:

• Centred around: Mainly nitrogenous fertilizers (urea), phosphatic fertilizers aur ammonium phosphate (DAP) aur complex fertilizers (N, P, K combination) ke production par focused hai.
• Potash: Potash (K) poora import kiya jaata hai kyunki India mein commercially usable potash reserves nahi hain.
• Green Revolution ka Impact: Green Revolution ke baad industry country ke kai parts mein expand hui.
• Major Producers: Gujarat, Tamil Nadu, Uttar Pradesh, Punjab aur Kerala aadhe se zyada fertilizer production karte hain. Other significant producers: Andhra Pradesh, Odisha, Rajasthan, Bihar, Maharashtra, Assam, West Bengal, Goa, Delhi, MP, Karnataka.

3. Cement Industry:

• Essential for Construction: Houses, factories, bridges, roads, airports, dams aur commercial establishments ke construction ke liye essential hai.
• Raw Materials: Bulky aur heavy raw materials jaise limestone, silica aur gypsum chahiye hote hain.
• Other Requirements: Coal aur electric power, aur rail transportation bhi zaroori hai.
• First Plant: First cement plant Chennai mein 1904 mein set up hua.
• Post-Independence Growth: Independence ke baad industry expand hui.
• Strategic Location: Gujarat mein plants strategically located hain kyunki wahan se Gulf countries ke market tak easy access hai.

Ye industries modern technology aur innovation par based hoti hain.

1. Automobile Industry:

• Purpose: Goods, services aur passengers ke quick transport ke liye vehicles provide karti hai.
• Products: Trucks, buses, cars, motorcycles, scooters, three-wheelers aur multi-utility vehicles India mein manufacture hote hain.
• Liberalisation ka Impact: Liberalisation ke baad, new aur contemporary models ke aane se vehicles ki demand badhi, jisse industry mein healthy growth hui.
• Location: Delhi, Gurugram, Mumbai, Pune, Chennai, Kolkata, Lucknow, Indore, Hyderabad, Jamshedpur aur Bengaluru ke around located hai.

2. Information Technology (IT) aur Electronics Industry:

• Wide Range of Products: Transistor sets se lekar television, telephones, cellular telecom, telephone exchange, radars, computers aur telecommunication industry ke liye required kai doosre equipments tak sab kuch cover karti hai.
• Electronic Capital: Bengaluru ko India ki electronic capital mana jaata hai.
• Other Centres: Mumbai, Delhi, Hyderabad, Pune, Chennai, Kolkata, Lucknow aur Coimbatore. Major concentration Bengaluru, Noida, Mumbai, Chennai, Hyderabad aur Pune mein hai.
• Employment Generation: Is industry ka employment generation par major impact hai.
• Key to Success: Hardware aur software mein continuously growth India mein IT industry ki success ki key hai.

Industries economic growth mein contribute karti hain, lekin pollution aur environmental degradation bhi karti hain.

Industrial Pollution ke Types:

Industries char tarah ka pollution karti hain:

1. Air Pollution:

• Causes: Undesirable gases (sulphur dioxide, carbon monoxide), airborne particulate materials (dust, sprays, mist, smoke).
• Sources: Chemical aur paper factories, brick kilns, refineries, smelting plants, fossil fuels jalana.
• Effects: Human health, animals, plants, buildings aur atmosphere par adverse effect. Bhopal Gas Tragedy ek hazardous toxic gas leak ka example hai.

1. Water Pollution:

• Causes: Organic aur inorganic industrial wastes aur effluents ko rivers mein discharge karna.
• Main Culprits: Paper, pulp, chemical, textile, dyeing, petroleum refineries, tanneries, electroplating industries.
• Pollutants: Dyes, detergents, acids, salts, heavy metals (lead, mercury), pesticides, fertilisers, synthetic chemicals, plastics, rubber.
• Solid Wastes: Fly ash, phosphogypsum aur iron & steel slags.
• Thermal Pollution: Hot water ko factories aur thermal plants se bina cool kiye rivers/ponds mein drain karna. Aquatic life par negative effect.
• Nuclear Waste: Nuclear power plants aur weapon production facilities se wastes cancers, birth defects aur miscarriages cause karte hain.

1. Land Pollution:

• Causes: Wastes (glass, harmful chemicals, industrial effluents, packaging, salts, garbage) ko dump karna.
• Effects: Soil ko useless bana deta hai. Rainwater pollutants ko soil mein le jaata hai aur groundwater bhi contaminate ho jaata hai.

1. Noise Pollution:

• Causes: Unwanted sound from industrial aur construction activities, machinery, factory equipment, generators, saws, pneumatic/electric drills.
• Effects: Irritation, anger, hearing impairment, increased heart rate, high blood pressure.

Environmental Degradation ko Control karne ke Measures:

• Water Use Minimisation: Processing ke liye water ka use kam karna, reuse aur recycling karna.
• Rainwater Harvesting: Water requirements ko meet karne ke liye rainwater harvesting.
• Effluent Treatment: Hot water aur effluents ko rivers/ponds mein release karne se pehle treat karna.
• Treatment Phases:
• Primary Treatment: Mechanical means (screening, grinding, flocculation, sedimentation).
• Secondary Treatment: Biological process.
• Tertiary Treatment: Biological, chemical aur physical processes (wastewater recycling).
• Groundwater Regulation: Industry dwara groundwater reserves ke overdrawing ko legally regulate karna.
• Air Pollution Control: Particulate matter ko kam karne ke liye factories mein smoke stacks mein electrostatic precipitators, fabric filters, scrubbers aur inertial separators lagana.
• Fuel Change: Coal ki jagah oil ya gas use karna.
• Noise Control: Generators mein silencers lagana. Machinery ko redesign karke energy efficiency badhana aur noise kam karna. Noise absorbing material aur earplugs use karna.
• Sustainable Development: Economic development ko environmental concerns ke saath integrate karna.

NTPC (National Thermal Power Corporation) ka Example:

• EMS Certification: NTPC ke paas ISO 14001 certification hai Environment Management System (EMS) ke liye.
• Proactive Approach: Natural environment aur resources (water, oil, gas, fuels) ko preserve karne ke liye proactive approach.
• Measures Taken:
• Latest techniques use karke equipment ka optimum utilisation.
• Ash utilisation maximise karke waste generation minimize karna.
• Ecological balance ke liye green belts provide karna.
• Ash pond management, ash water recycling system aur liquid waste management se environmental pollution kam karna.
• Sabhi power stations ke liye ecological monitoring, reviews aur online database management.