Depends what visa and what country
Are you seeking a visitor visa for the UK?
Yes, you can apply for a Canada visitor visa from the USA.
Do you intend to apply for a family visitor visa to the UK?
Of course not. You cannot work in Singapore with a visitor's visa. This would be illegal. You have to apply for a Singapore work visa.
Yes, a return ticket is typically required for a US visitor visa to show that the visitor plans to leave the country before their visa expires.
Yes, Indian parents can apply for a visitor visa to the USA.
Do you have the required consulate letter for your visitor visa application?
Nobody can work in the visa on a visitor visa. Short duration courses like cookery class that will not add any credits to a course can be attended using a visitor visa. But working in the US, that will enable you to draw salary is not allowed on a visitor visa.
The maximum stay allowed for a US visitor visa is typically 6 months.
For the eVisitor (Subclass 651) visa, you’ll generally need the following key documents: Valid Passport – Make sure it’s from an eligible country and remains valid for the duration of your planned trip. Completed Visa Application – This is submitted online through your Immi Account. Proof of Purpose of Visit – This could include your travel itinerary, hotel bookings, or an invitation from family or friends if you’re visiting them. Evidence of Financial Capacity – Documents such as bank statements or pay slips that show you can support yourself while in Australia. Health Documents – Usually only required if your personal circumstances or length of stay trigger a medical check. Character Documents – Police certificates, if requested. Travel Insurance – While not mandatory for the 651 visa, it’s strongly recommended for your peace of mind. Once you’ve gathered your documents, you submit your application online. In most cases, you won’t need to visit a consulate unless specifically asked to.
As a visitor on a visa, you can typically stay in the USA for up to six months. It is important to adhere to the terms of your visa and not overstay your allowed time.
If for some reason you are stopped by border security, your visitor's visa will not take precedence.