First of all don't look at what your friends are targeting. It's no point going with Herd Mentality. Your friends might be targeting automobile or aeronautical because they might be fascinated by aircrafts, Machines etc.
To be confused is very common a thing, I was confused myself at your age. It's important to realise where you want to be in your career and what is more important to you ...Money ? Satisfaction ? Name ? Respect ?
Second never make your financial Condition a reason to be a show stopper for your studies. Whether you would have taken EAMCET Coaching or IIT Coaching subjects, topics remain same. At the end you trying to be an engineer.
Now your avenues of becoming an engineer i still open only difference is that you might not get admission into IIT but I am sure you can easily get admission in local engineering college. So now, decide on you want to take up engineering , if yes then decide which engineering subjects you want ....
You might like to explore these links for the same:
Your father definitely would think best about you ...so discuss and talk to him ! And for anything else MeraCareerGuide.com is here to help.
All the Best !