Hello,

English is a business language and it used to communicate across the globe. if you have to go aboard then you have to learn speaking and listening skills for english language.

Hindi is national language of India and is comfortable to speak in it. Practicing English language from a tender age like teen age will make your learn how to grasp it easily. if you try to learn it in 1 month it is impossible. you will face lots of problems. So you start learning grammar which is basics from school. start using it while reading and writing answers in exam. this makes your weak positive confidence to strong positive confidence when actually start to learn how to learn American and British English. This where it helps.

Hope it helps!