You need to open an overseas trading account with a brokerage firm. In India brokerage firms viz. Kotak Securities, ICICI Direct, Reliance Money and Religare are offering overseas trading facility to their clients. Depending on the broker you choose, you can have access to trade at most of the major stock exchanges around the world. Check with some of the major brokers in your country, in order to know more about these offerings.

Before venturing into overseas trading you need to be aware about the risk associated with this activity. As international securities are denominated in a foreign currency, the value of your investment may be affected by changes in currency exchange rates.

Unlike the domestic transactions, the shares you trade at overseas market are held by an international custodian, and are subject to risks related to political, economic and regulatory changes in the country of the custodian.

Depending on your individual circumstances the tax implication in overseas investment can be different from investing in your home country.