Hello gopika!

Your question is too impressive to write an essay on this.

In the start of your essay you can talk about meditation as a powerful mechanism to remove negativity from your mind and focus on all the positive aspects in your life. Laster you can talk about the "Law of attraction" how whatever your mind can conceive it can achieve. Talk about the power of your subconscious mind which helps you to focus on all the good aspects of your life.

To make you essay more impressive i will suggest you to read the book THE SECRET BY RHONDA BYRNE. This book will help you to get more extra points in your essay.

Happy reading

Hope this helps you to write and impressive essay.