Lifelines of National Economy Test - 20

Post offices in India have unique identification number for safe delivery of mail called PIN. PIN stands for Postal Index Number. This post code system is very much essential in India for safe and easy delivery. It is a six digit number.

 It may take place through sea, air or land routes. 

Speed post is means of India’s postal service. Speed post is nothing but the deliverable commodity is delivered more quickly than the normal time it usually takes. They are more reliable and faster.

Commercial air carriers in India are managed by both public and private sectors. For example Air India is  an example of public sector undertaking which is maintained by ministry of civil aviation and kingfisher owned by Vijay Malya is an example of private sector undertaking company.

The National Highway 7 is the longest national highway. It starts at Varanasi in North India and ends at Kanyakumari in South India.

Mazgaon Dock is a shipyard which is located in Mumbai. It is India’s prime shipyard which manufactures warships and submarines for the Indian Navy. It also builds tankers, cargo carriers, passenger ships and ferries. 

This organization was established in 1960 for the development of the roads of strategic importance in the northern and northeastern border areas. These roads have improved accessibility in areas of difficult terrain and have helped in the economic development of these areas. It was formed on May 7^th, 1960.

• Road density is the ratio of the length of the country's total road network to the country's land area. It is expressed in km of state roads per 100 km².
  
• The distribution of roads is highly uneven in India. The road density is highest in Kerala with 375 kms and the least in Jammu & Kashmir with just 10 kms.
  

Communication system refers to the channels by which exchange of ideas, information, news and views takes place between different individuals, groups and institutions.Therefore radio,email and mobile are all means of communication.

Manali-Leh highway is notorious for its avalanches and landslides. During winter months the terrain becomes difficult and is mostly covered with snow most of the time