Having a good vocabulary will help you to improve your language level and become a more confident speaker of English.
Practicing little and often is the best way to improve your vocabulary

It’s a good idea to write the English vocabulary from the Learn New Words activity in a vocabulary journal or notebook.
The more you can remember, the bigger your vocabulary.

This app has a list of 4000 words that are most frequently used in Spoken English.
All the words have their hindi meaning with them.
Example of these words:
Parts of body.
flowers name
vegetables name
greetings
kitchen items name
school items name etc.