Not to use an I voice, rather make it definite.
<span><em>Example of what not to do...</em>
</span>"I believe that India has is too overpopulated because of [...] and actions need to be taken swiftly."
<span><em>Example of what to do instead...</em>
</span>"India is overpopulated due to [...] and actions need to be taken swiftly."
Answer:
Ambitious mean having or showing a strong desire and determination to succeed.
They can work hard to achieve the goal or do the action. Some people may in this way if they are under great deals of stress. They may lash out on people around them. By how they act to a subject.