Hello
It seems that you have class 2 malocclusion. But it would be better if you could upload some photographs for better guidance. Also, just get a full mouth x ray (opg) done.
At your age, orthodontic (braces) treatment can definitely be done. It is not necessary that mandibular expansion will be needed for you.
Just visit an orthodontist and get yourself properly checked.
Next Steps
You can get in touch with me. I practice in New Delhi.
Health Tips
Don't rely only on internet, dental treatment varies from person to person.