(a) Why has the importance of inland waterways declined ? Give any two reasons. -Geography

(a) Why has the importance of inland waterways declined ? Give any two reasons. -Geography
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(a) Importance of waterways is declining because :  (i) It is a slow means of transport.  (ii) Rivers of India do not have a regular flow of water as water is diverted for irrigation.  (b) Helicopter services may be used in :  (i) Mountains  (ii) Flooded areas.  (c) Problems faced by Indian railways are :  (i) It lack repair and maintenance of tracks and bridges.  (ii) India as the railways operation is on their gauges and shift from gauge to another is a problem.  (iii) Rail traffic has increased and the old tracks are not able to carry the increased load and accidents are frequent.  (d) Golden Quadrilateral comprises the national highways connecting Delhi-MumbaiChennai-Kolkata by a 6-lane super highway. It has a total length of 5846 km. Two ways it will help in the economic development of the country are :  (i) India is a land of vast distances from north-south as well as from east-west. This forms an integrated transport system and bring different people together.  (ii) Cities lying close to these roads will also be well developed and enhance the growth of our country.
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