Hello Aspirant

The best way to learn English is through self studying,if you find words tough you can read the words out loud or you can write them.

I'll share some tips how you can improve your English

1. Read newspaper daily
2. find new words and find their meaning and use them in daily conversation
3. watch English movies
4. there are many app that teach you English language(Duolingo etc)
5. Then start writing essays on your own

In this way you can improve your English spelling and vocabulary both

Regards!