If you want to quickly learn a language and hindi to english, there is nothing better than surrounding yourself with it. This is a 100% working option. You can take a chance and fly, for example, to Vietnam without knowing the language at all. Then you simply have no other choice but to teach it on the spot. However, it is better to leave such experiments for the moment when you have at least some kind of base.
You can immerse yourself in the language environment at home. Create it yourself: translate social networks into the desired language, watch movies, speak, read, think in it. Use it in your daily life. This is less efficient than living in another country, but much cheaper. A great way to use this method is with language courses abroad.
