मराठी
CISCEISC (Arts) Class 12
प्रश्नपत्रिका३७२
पाठ्यपुस्तक उत्तरे१६६८१
महत्वाचे प्रश्न आणि उत्तरे५८७१
संकल्पना स्पष्टीकरण आणि व्हिडिओ९५३
टाइम टेबल१५
अभ्यासक्रम

Overview of Transport and Communication

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Topics

Estimated time: 27 minutes
CISCE: Class 12

Key Points: Transport > Rail Transport

  • Importance – Indian Railways is the main artery of inland transport and plays a vital role in economic growth and national integration.
  • Growth – Started in 1853 (Mumbai–Thane). Today, it is one of the largest railway networks in the world.
  • Electrification – Railway tracks are increasingly electrified, reducing steam engines and promoting diesel and electric engines.
  • Factors Affecting Railways – Development depends on geographical, economic and political factors. Plains favour railways; mountains and deserts hinder them.
  • Distribution – Dense network in Northern Plains; sparse network in Himalayan and North-Eastern regions; moderate in Peninsular Plateau.
  • Important Projects – Konkan Railway, Kashmir Valley Railway, and Bullet Train (Mumbai–Ahmedabad) are major modern developments.
  • Problems – Multiple gauges, old bridges, congestion, delays in goods transport and high maintenance costs affect efficiency.
CISCE: Class 12

Key Points: Transport > Road Transport

  • Importance – Roads are important for short and medium distances and provide door-to-door service. They are cheaper and more flexible than railways.
  • Advantages – Roads can be built in hilly areas, carry perishable goods quickly, and act as feeders to railways.
  • Disadvantages – Not suitable for long distances or heavy goods; cause traffic congestion, accidents and air pollution.
  • Classification of Roads – Six types: National Highways, State Highways, District Roads, Rural Roads, Urban Roads and Border Roads.
  • National Highways – Connect major cities and capitals; include major projects like the Golden Quadrilateral and North–South & East–West Corridors.
  • Road Density & Distribution – Highest concentration in Northern Plains; low density in Himalayan and North-Eastern regions due to difficult terrain.
  • Government Programmes – Projects like Bharatmala Pariyojana and Setu Bharatam aim to improve highways, bridges and connectivity across India.
CISCE: Class 12

Key Points: Transport > Water Transport

  • Meaning – Water transport includes inland waterways and sea routes for carrying passengers and goods.
  • Inland Waterways – Rivers, canals and backwaters are cheap and suitable for heavy and bulky goods, but are under-utilised in India.
  • National Waterways – Important ones include
    NW-1: Prayagraj–Haldia (Ganga)
    NW-2: Sadiya–Dhubri (Brahmaputra)
    NW-3: Kottapuram–Kollam (West Coast Canal).
  • Problems of Inland Waterways – Seasonal rivers, silting, waterfalls, sharp bends and diversion of water reduce navigation.
  • Economic Factor – Water transport needs sufficient demand to become economically viable.
  • Oceanic Routes – India has a long coastline (about 7,500 km); most overseas trade is carried by sea.
  • Importance – It is the cheapest mode of transport for long-distance heavy goods and plays an important role in foreign trade.
CISCE: Class 12

Key Points: Transport > Air Transport

  • Fastest Mode – Air transport is the fastest but most expensive mode of transport. It connects distant and remote areas.
  • Importance for India – Useful due to vast size, diverse relief and for maintaining international links.
  • Air India – Handles international passengers and cargo; connects India with Europe, Africa, East Asia and other regions.
  • Indian Airlines (Indian) – Major domestic carrier operating flights within India and to nearby countries.
  • Private Airlines – After liberalisation, many private airlines operate domestic services, increasing competition and passenger share.
  • Airport Authority of India (AAI) – Manages airports and ensures safe air traffic control in India.
  • Government Policies – Open Sky Policy (1982) allowed foreign airlines to operate cargo flights, boosting trade and exports.
CISCE: Class 12

Key Points: Transport > Pipelines

  • Meaning – Pipelines are an efficient and economical mode of transporting petroleum, petroleum products, natural gas, water and milk.
  • Advantages – Suitable for liquids and gases; can pass through difficult terrain and under water.
  • Low Cost & Energy – They require less energy, low maintenance and are environment-friendly.
  • Disadvantages – Not flexible (fixed routes), capacity cannot be easily increased and leakage detection is difficult.
  • Development in India – The first oil pipeline was laid from Assam to Barauni; later pipelines connected major refineries.
  • Major Networks – Important pipelines include Salaya–Mathura, Kandla–Panipat, Hazira–Bijaipur–Jagdishpur (HBJ) gas pipeline.
  • Role of GAIL – Gas Authority of India Limited (GAIL) manages a large network of gas pipelines supplying fuel to power plants and industries.
CISCE: Class 12

Key Points: Transport > Harbours and Ports

  • Harbour vs Port – A harbour gives shelter to ships, while a port has docks and facilities for loading and unloading cargo.
  • Types of Harbours –
    Natural harbours (e.g., Mumbai, Kochi) are formed naturally.
    Artificial harbours (e.g., Chennai) are man-made.
  • Major Ports – India has 13 major ports handling about 90% of foreign trade.
  • West Coast Ports – Important ports include Mumbai, JNPT (Nhava Sheva), Kandla, Marmagao, New Mangalore and Kochi.
  • East Coast Ports – Important ports include Kolkata, Haldia, Paradip, Visakhapatnam, Chennai and Tuticorin.
  • Largest & Important Ports –
    i. Mumbai is the largest port.
    ii. JNPT is the largest container port.
    iii. Visakhapatnam is the deepest land-locked port.
  • Problems & Development – Kolkata faces silting problems; new ports like Haldia and Ennore were developed to reduce congestion and improve trade.
CISCE: Class 12

Key Points: Communication > Personal Communication

  • Postal Services – One of the oldest and most common modes of communication in India; very important in rural areas.
  • Indian Post Office Act (1898) – Gives the government the right to collect, carry and deliver letters within the country.
  • Types of Post Offices – Head Post Offices, Sub-Post Offices and Extra Departmental Branch Post Offices.
  • Mail System – First-class mail (postcards, inland letters, envelopes) is sent by air; second-class mail (books, newspapers) by surface transport. PIN code helps in quick sorting and delivery.
  • Modernisation – Use of Satellite Network (VSAT), Automatic Mail Processing Centres and computerisation has improved speed and efficiency.
  • Telecommunication – Includes telephone, telegraph, fax and internet. It allows fast and direct communication across long distances.
  • GIS (Geographic Information System) – A computer-based system used for storing, analysing and displaying geographical data for planning and management purposes.
CISCE: Class 12

Key Points: Communication > Mass Communication

  • Meaning – Mass communication spreads information, education and entertainment to large numbers of people through electronic and print media.
  • Prasar Bharati – It is India’s public service broadcaster (established in 1997). It controls All India Radio (AIR) and Doordarshan (DD) and promotes national unity and public awareness.
  • Radio (AIR) – Started in 1923; now has wide coverage across India. It broadcasts news and programmes in many languages and dialects.
  • Doordarshan (TV) – Began in 1959; it is one of the largest TV networks in the world. It telecasts news, education, culture and entertainment programmes.
  • Cinema – A powerful medium of entertainment and social awareness. Films are certified by the CBFC before public release.
  • Satellites (INSAT & IRS) – Used for communication, weather forecasting, broadcasting and data collection. They have improved both personal and mass communication.
  • Computers – Used for storing, processing and communicating information. They play an important role in modern communication and education.
CISCE: Class 12

Key Points: Importance of Infrastructure as Key to the Development of Industrial Economy

  • Link between Production and Market – Transport and communication connect production centres with markets and help in smooth distribution of goods.
  • Supports Industrial Growth – Efficient transport is essential for carrying raw materials to factories and finished goods to markets. No industry can grow without proper transport.
  • Reduces Cost and Increases Speed – Improved transport increases speed of movement, reduces cost and helps in large-scale production and trade.
  • Helps Industrial Location – Industries are often set up near ports, railways and major transport routes (e.g., Kolkata, Mumbai, Chennai).
  • Promotes Overall Development – A well-developed transport network reduces regional isolation and promotes economic and industrial development of the country.
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