Air Traffic Control Officer

For civilian ATC controller, you need M.Sc or B.Tech.
For more information, you can visit the below mentioned link:
http://www.atcguild.com/jobrqrmnt.asp
To become ATC controller in IAF (or a Fighter controller), you have to write AFCAT exam with B.Sc or B.Tech and join admin branch initially and then try for ATC / FC.
You can refer to the below mentioned links:
http://careerairforce.nic.in/
& http://www.nausena-bharti.nic.in/

Aeronautical engineering.

I suggest up a master program in aviation related course in UK. It is one eyar master program and I asure you can earn your cost of study while studying by doing good part time jobs.
Air Transport Operations and Management MSc
UNIVERSITY OF THE HIGHLANDS AND ISLANDS
Per colege uk also has one course.
Apart from this you take air trafic related courses many diploma courses of level 7 and above in Newzealand. thsi give you opurtunity for yu to sette down in NZ.
Thsii the only best way to entr into a country and get settle down.