Doctor

BAMS has a better demand & scope as compared to BNYS.

In order to have wider career options, you are advised to opt for PCMB at 10+2 stage if it'd allowed by your school and board of education. Even with PCB you have other career option beside medical such as pure science, pharmacy, law, hotel management, BBA, fashion designing , medical technologist, nursing etc.

You may evaluate BBA and MBA, law, hotel management or fashion designing as an alternate to popular career options like engineering or medical.

Hi dear,
I will suggest you to go for army after completing your graduation. I appreciate your feelings towards the nation but if you want a good post and a nice position, you must first complete graduation. You may get details maybe on the below link:
http://www.apnaahangout.com/join-indian-army-officer-12th-science/
Good luck.

In India, all courses in emergency medicine require MBBS as minimum qualification. So, you won't find emergency medicine course for BAMS doctors.

Mechanical engineering is a better option.

Armed Forces Medical College (AFMC) is a premier medical institute of India. AFMC will accept NEET score for admission to MBBS programmes. AFMC MBBS 2016 admission will be done on the basis candidates marks in NEET 2016 and in ToELR (Test of English Language, Comprehension, Logic and and Reasoning).
As you are in 10th, please complete 12th with Physics, Chemistry & Biology with good score in NEET.

The basic qualification will be MBBS.

Dear Gandip,
USMLE is a three step test taken to practice medicine in US. Just be aware that is a tough examination and requires a great deal of hard work and dedication plus knowledge. You must hold relevant qualification to be eligible. Kindly, visit the USMLE website for all details:
http://www.usmle.org/