We understand your desire to do something in terms of a formal career.
You can certainly complete your graduation,through correspondence and then consider teaming it up with a post graduation too.
A career in pilot requires one to have completed 12th with physics,chemistry and math. After which you need to register yourself with a flying club and get you training done.
Log on to http://www.youngbuzz.com/careers/careerdetail/career-commercial-pilot for more information on the career,its scope,remuneration,benefits etc.
Let us know if you need further more details about the course.