In backward areas, hilly tracts, forest regions in desert lands, animals like horse, mule, donkey, elephant, camel, etc., are used for carrying loads. These animals are called pack animals.
These animals are used in areas which are inaccessible to modem means of transport. They are also useful for carrying small load economically.

The economic benefits of the transport are:
(i) Transport increases the efficiency of production: The object of production is consumption. It is incomplete, if-the goods and services do not reach the consumers .
(ii) Efficient transport system creates time and place utility by taking goods to the needy people.
(iii) It develops and expands the market: The primary function of transport is to distribute goods at global level economically, speedily and easily.

Transport is very important for the growth and development of agriculture, industry, trade and homework journeys. The growth of domestic and foreign trade depends upon transport. The transport facilities helps in destroying monopolistic position of many producing countries. It has also played. a vital role in the colonisation and development of many less populated countries like Australia, South Africa and U.S.A.

Common carrier is a person who is engaged in the business of carrying goods for hire indiscriminately for all persons.

"Air Rescuers" was established in the year 1999 for superior patient transfer through Air Ambulance and an elevated standard of care and management through Air Ambulance India. The Air Ambulance services are available in Delhi, Mumbai, Kolkata, Hyderabad and Chennai.