1
Call your stock broker or sign-on to your own online brokerage such as Fidelity or E-trade (see Resources below).
2
If using a broker, simply ask to invest X amount in Tata Motors. Your broker should advise on whether they think that is a reasonable investment or not.
3
If using your own online brokerage account, navigate to trade and then click on "buy stock." Input the ticker symbol for Tata Motors, "TTM" . You should then be asked how many shares you want to buy, or, alternatively, how much money you want to invest. Check the current market price to determine the amount per share.
4
Click on buy with a "market order" for the simplest kind of trade. Note: A market order must be made while the NYSE is open and normal trade is taking place.
5
You should receive confirmation that you have bought X number of shares of Tata Motors. Good luck!