CBSE Notes Class 10 Geography Chapter 7 – Lifelines of National Economy (Communication, Trade & Tourism)

 

📘 Class 10 Geography

🌍 Chapter 7 – Lifelines of National Economy


🚊 Transport

  • The movement of goods and services takes place over three domains of Earth:

    1. Land 🛣️

    2. Water ⛴️

    3. Air ✈️

  • Hence, transport is classified into Land, Water and Air Transport.


🛣️ Roadways in India

📌 India has one of the largest road networks in the world – about 54.7 lakh km.

✅ Importance of Road Transport over Railways

  • 🚗 Lower construction cost than railways

  • 🏔️ Can reach difficult terrains like Himalayas

  • ⛰️ Can negotiate higher slopes & mountains

  • 💰 Economical & affordable

  • 🚪 Provides door-to-door service

  • 🔗 Connects railway stations, airports & seaports


🛤️ Classification of Roads in India

1️⃣ Golden Quadrilateral Super Highways ✨

  • Connects Delhi, Kolkata, Chennai & Mumbai 🏙️

  • Built under NHAI (National Highway Authority of India)

2️⃣ National Highways 🚩

  • Maintained by CPWD (Central Public Works Department)

  • Example: Sher Shah Suri Marg → National Highway No.1 (Delhi–Amritsar)

3️⃣ State Highways 🏛️

  • Connect state capital with district HQs

  • Maintained by State PWD

4️⃣ District Roads 🛤️

  • Connect district HQs with other towns/villages

  • Maintained by Zila Parishad

5️⃣ Other Roads 🚜

  • Rural roads → connect villages with towns

  • Boosted by Pradhan Mantri Grameen Sadak Yojana

6️⃣ Border Roads 🏔️

  • Built & maintained by Border Roads Organisation (1960)

  • Provide strategic connectivity in northern & north-eastern borders


🛠️ Types of Roads (by Construction Material)

  • Metalled Roads 🏗️ → Cement, concrete, bitumen, coal | All-weather roads

  • Unmetalled Roads 🛤️ → Mud/soil | Not usable in rainy season


🚆 Railways

  • Importance:

    • Principal mode of transport in India 🚉

    • Best for huge loads & bulky goods (long + short distances)

    • Crucial for economic growth & national integration

  • Problems of Rail Transport:

    • 🌊 Construction of bridges needed across wide rivers

    • 🏔️ Difficult to lay tracks in hilly terrains & Himalayas (steep slopes, sparse population, fewer economic activities)

    • 🏜️ Sandy deserts also make construction tough


🛢️ Pipelines

  • Definition: Underground pipe network transporting fluids & slurry.

  • Used for: Water, crude oil, petroleum products, natural gas, fertilizers, power plants.

  • Major Pipeline Networks in India:
    1️⃣ Upper Assam oil field ➝ Kanpur (UP)
    2️⃣ Salaya (Gujarat) ➝ Jalandhar (Punjab)
    3️⃣ Hazira (Gujarat) ➝ Jagdishpur (UP)


🚤 Waterways

  • Cheapest & eco-friendly transport 🚢

  • Best for heavy & bulky goods

  • National Waterways (N.W.):

    • 🛶 N.W. 1: Ganga (Allahabad–Haldia, 1620 km)

    • 🛶 N.W. 2: Brahmaputra (Sadiya–Dhubri, 891 km)

    • 🛶 N.W. 3: West-Coast Canal (Kerala, 205 km)

    • 🛶 N.W. 4: Godavari–Krishna & Kakinada–Puducherry (1078 km)

    • 🛶 N.W. 5: Brahmani, Matai, Mahanadi delta + East Coast Canal (588 km)

  • Other Inland Waterways: Mandavi, Zuari, Cumberjua, Sunderbans, Barak, Kerala backwaters


Major Sea Ports of India

  • Total: 13 Major Ports + ~200 Minor Ports

  • Key Ports:

    • ⚓ Kandla (Deendayal Port) – 1st after independence

    • ⚓ Mumbai – Biggest natural harbour

    • ⚓ Marmagao (Goa) – Premier iron ore exporter

    • ⚓ Mangalore – Iron ore export hub

    • ⚓ Kochchi – Southwestern port, lagoon entry

    • ⚓ Tuticorin – Extreme southeast

    • ⚓ Chennai – Oldest artificial port

    • ⚓ Visakhapatnam – Deepest landlocked port

    • ⚓ Paradwip (Odisha) – Iron ore export

    • ⚓ Kolkata – Inland riverine port

    • ⚓ Haldia – Subsidiary of Kolkata port


✈️ Airways

  • Features:

    • Fastest, most comfortable & prestigious 🚀

    • Connects remote terrains – Himalayas, deserts, forests, oceans

    • Air India – Domestic + International services

    • Pawanhans Helicopters Ltd. – Services for ONGC + tough terrains

  • Limitations:

    • Expensive ❌ Not affordable for common people


📡 Communication

  • Major means: Television, radio, press, films, etc.

  • Indian postal network: Largest in the world 🌎. Handles both parcels & personal written communication.

✉️ Types of Mail:

  1. First-class mail → Airlifted (covers land + air routes).

  2. Second-class mail → Includes book packets, newspapers, periodicals (sent by surface mail 🚤).

📞 Telecom Network:

  • India has one of the largest telecom networks in Asia.

  • STD facilities available all over India due to integration of space technology with communication technology.

📺 Mass Communication:

  • Provides entertainment + awareness about national programmes & policies.

  • Includes radio, TV, newspapers, magazines, books, films.

  • Akashwani (All India Radio) → Programs in national, regional, local languages.

  • Doordarshan → One of the largest terrestrial networks globally.

  • India publishes newspapers in 100+ languages & dialects.


🌐 International Trade

  • Definition: Exchange of goods among people, states, countries.

  • Trade between two countries = International trade.

  • Considered the economic barometer (आर्थिक सूचक) of a nation.

📊 Balance of Trade:

  • Favourable → Exports > Imports ✅

  • Unfavourable → Imports > Exports ❌

📦 Exports from India:

  • Gems & jewellery 💍

  • Chemicals & allied products ⚗️

  • Agriculture & allied products 🌾

📥 Imports to India:

  • Petroleum (crude & products) ⛽

  • Gems & jewellery 💎

  • Chemicals, base metals, electronic items, machinery 🛠️

  • Agriculture & allied products 🌿


🏞️ Tourism as a Trade

  • 15+ million people directly engaged in tourism industry.

Tourism in India helps in:

  1. Promoting national integration 🇮🇳

  2. Supporting handicrafts & cultural activities 🎭

  3. Developing international understanding of Indian culture & heritage 🌏

👩‍🎓 Types of Tourism in India:

  • Heritage Tourism 🏰

  • Eco-Tourism 🌱

  • Adventure Tourism 🧗

  • Cultural Tourism 🎶

  • Medical Tourism 🏥

  • Business Tourism 💼




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