i. International shipping can be between countries that are connected by land. For Example, Foreign trade between India and Bangladesh.
ii. Overseas shipping means the package has to cross ocean. For Example, International trade between India and South Africa.

Indian Railway is the largest Railway Organization in the world. The Indian Nationwide network, the 4th longest in the world, is owned and operated by State-Owned Indian Railways and includes an operating route length of more than 65,000 Kms. The network carried about 8 billion passengers (the highest in the world) in 2013.

It made their appearance in the 19th century as a form of transport suitable for big cities. Tramways were initially horse drawn later steam-powered and now electrically operated. Its carrying capacity is large. They are able to cope up with the peak hour traffic in big cities with the greater popularity of motor buses, tramways slowly declined. Madras city had tramways till 1933.

(i) An ocean liner is a passenger ship primarily used as a form of transportation across seas or oceans. Liners may also carry cargo or mail.
(ii)They sail to schedule, whether they have a full load or not. They follow defined routes with fixed places and times.
(iii) Regularity of service, good speed and luxurious facilities to passengers are the specialties of liners. They are Passenger liner and Cargo liners.

(i) A common carrier is a person who is engaged in the business of carrying goods for hire indiscriminately for all persons.
(ii) There are organizations transporting goods on designated routes according to a fixed regular schedule, offering to transport goods for hire for all people without discrimination.
(iii) Railways and Sea transport do not come under common carrier because they are covered by separate Acts. The liability of common carrier is governed by Carriers Act 1865.