You'll need a visa if you want to go to a country with stricter visa regulations than your own. Numerous countries have agreements or visa-free travel policies that allow their residents to travel freely with one another.
B1 and B2 visas are non-immigrant certificates that temporarily allow holders to visit the United States for business or tourism. All visitors must observe all regulations and stay no longer than 90 days. Citizens of Bermuda and Canada often don't need visas for trips to most countries.
A printed copy of the visa is required for all outbound Indian visitors. When an Indian national departs the country, the visa document they take with them will be scanned at the airport's international departures counter.
The ideal time to apply for a visa to Macau, China, is one to two months before your departure.
Authorizations are usually valid for 30 days from the date of admission; however, these periods can occasionally be extended.