Hi Sinchana, welcome to Essay Forum. I will try offering a few corrections for finalizing your writing.
In your introduction, I think you can better paraphrase a statement given. If readers see briefly, it can seem almost same. I wanna give the example.Nowadays, increasing population brings distance widely between statuses of low and high economics.
For the next sentence, you presented your opinion clearly. I don't mean that you had to explain detailed because it is a contain of the body paragraph. However, you should show underline of what you give in the body paragraph.
Turning to your body paragraph, I have not found relation logically between your statement "
The most prominent reason is the unavailability of education to people who are below poverty line
and its reason. Honestly, I am really puzzled for understanding that flow.
they won't understand
Keep in your mind for avoiding contractions in the formal writing.
In my mind, the prompt asks you for reviewing the gap generally, not to compare undeveloped and developed countries. As we know, each undeveloped country has the poor and rich family so that it is less relevant for taking that object. On the other hand, your alternative solution has focused on the undeveloped country. I only remind you that when you want to present the solution, it is based on the problem which you review in the previous statement.
Hopefully, these can help you for improving your ability.