In Tamil Nadu domestic trade is effectively handled by States.

When the relationship between countries is good, then the trade will flourish well, as the countries will understand each other better when there are good relations.

• Densely populated countries have less international trade because domestic consumption is high and there is not much surplus left.

Sivakasi is a city and municipality in Virudhunagar District in Tamil Nadu.

A basic economic concept which involves the buying and selling of goods and services with compensation paid by a buyer to a seller, or the exchange of goods or services between parties is known as trade. The most common medium of exchange for these transactions is money. Trade decides the economic growth of a country as it increases the income of a country and provide occupation to a large population.

Uzhavar Sandhai scheme was initiated for direct selling of fruits and vegetables at a fair price by the farmers to the consumers without any intermediaries. The first Uzhavar Sandhai was started at Madurai in 1999.

As Tamil Nadu has well developed roadways and railways, domestic trade is efficiently handled among the districts of Tamil Nadu. For marketing the commodities, there are several market committees. At present there are about 303 APMCs in the state.

The major exports of Tamil Nadu include:

India had trade through the sea routes in the pre-colonial period. Surat was the main port on the western coast, which connected India to the Persian Gulf and the Red Sea. On the Eastern coast, the main ports were Masulipatnam on the coromandel coast and Hoogly in Bengal. They had trade contacts with Southeast Asian ports.

At present, there are around 303 Agriculture Produce Marketing Centres (APMCs) distributed all over Tamil Nadu. The APMC is further classified into Primary and Secondary marketing centres and non-regulated marketing centres.

Major imports of Tamil Nadu include:

Roadways and railways play an important role in the internal trade. In this type of trade, the national currency is involved to carry on the trade.

The primitive method of trade was known as the barter system where goods were exchanged for goods.

In internal trade, the national currency is used to carry on the trade.

Trade may be defined as "an exchange of goods and commodities either within the country or between countries." In simple terms, buying and selling of commodities is called trade and it may be local, regional, national and international.

Ports and harbours play an important role in international trade.

• Coimbatore is the 2nd largest city in Tamil Nadu, with more than 30,000 small, medium, large and tiny Industries and Textile Mills. 
  
• Due to the industrial activity Coimbatore is known as Manchester of South India. The city is also known for its handloom products.
  

Multinational currencies are used to carry on international trade.

Trade is called an engine of growth because it helps in the increase of foreign currency reserves; it makes available all kinds of goods anywhere; trade increases technology transfer from one country to another; it improves the welfare of the workers; and it helps to increase the total production of a country.

Buying and selling of commodities and services within the country is known as internal trade. Whether the products are bought from local market, central market, and departmental store or from a door-to-door salesperson, all these are examples of internal trade. No custom duty or import duty is levied on this type of trade. Internal trade is a field of economy that includes both wholesale and retail trade.

• International trade is the exchange of capital, goods, and services across international borders or territories.