Hello Farhan ,thanks for asking this question.

Now as you said you are not getting your actual passion or field in which you want to see yourself after 10-15 years .

So firstly try to get the overview of all the options which one have after 12th like 

Defence field 

Technical field as engineering etc like that and then I hope there will something for you .I hope this strategy will help you .

You should always choose a course according to your interest and passion. 

There are many options available for PCM students you can choose the course according to the type of job you want to do in future

You can check the options below

1- Engineering

2- Architecture

3- Merchant Navy 

4- Commercial pilot

5- Bachelor of science

6- National Defence Services

Good Luck!!