First, you write down the outline and make sure you understand what they are asking you to write
Next, make sure you understand any Words or terms on the outline -- look up any unfamiliar Words if you need to
Write a list of whatever comes to your mind when you think of each line of the outline the teacher has given you -- do your research if this is an academic paper describing something you have learned in class or in your textbook
Make each line of your list into a complete sentence.
Pretend you are talking to a friend and write what you would say if you had to include all of those sentences in a conversation with them.
Translate this into Hindi if you have not already been writing in Hindi