You will need someone knowledgeable and local to speak withand should seek out someone honest.
You need to consider about many things.
Is this your long term career, or are you looking to save money to live on while getting additional training to a higher paying career? Is there a future growth in this job? Your best investment at 19 is investing in yourself.
At 19 with a job, you should at least be offering to contribute to the family expenses. They can turn you down about contributing, but you should offer. Do you want additional freedom in your own living place? You need to learn household management.
Normally, the second best investment is owning your own home.
You should look into tax deferred/tax free long term savings. 401K, IRA, Roth. Reducing tax is good ad long term savings is important.
You should get a credit card and learn how to use it wisely. Starting and building a good credit rating is important in life. Your first card may be secured if needed. You avoid annual fees. You avoid paying interest. You avoid spending on anything you do not need. But, using the card for things you need and paying full statement balance once a month after cycle close and before date due will begin a process of having a credit rating needed to buy a home on mortgage.
Stocks in general today have above average risk. Although still invested in carefully selected mutual funds and individual equities, most of my savings is in lower risk at lower returns. You could begin learning about investment options and temporarily use bank CD's at about 2.5% APR one year maturities while you investigate. For money you can afford to lose, you can open a brokerage account, say at Schwab which has an extensive research department, and choose a mutual fund or individual stocks. Consider that moey somewhat speculative. I will avoid individual choices, but one I bought a few hundred shares on May 10, 2018, MNK - MALLINCKRODT PUB F, I bought at $14.63 and now is at $21.61 per share. Certain stocks and funds can be very profitable. I think a mutual fund investing in India is probably a good choice now. You need to do your ow research, and not just buy randomly.
You need to realize that a job can be lost and you need at least a few months living expenses without a job.
For now, evaluate your life plan. And, if you don't have a Passport, get that, and when you have vacation time, find places to visit you would enjoy. You have a whole life ahead of you. Don't be in a rush. Learn, and then do.