Hello aspirant,
I am here for helping you...
as per your dad I want to clarify you that for your desired career option you will have to prepare with concentration and for that you should be less in mathematics and physics apart from this you will have to be physically fine.
For more details you can refer below link...
https://www.careers360.com/question-qualifications-needed-to-become-commercial-pilot

Apart from this I want to inform you that....


Careers360 is coming up with India's Biggest Talent Search Exam-"CTSE" where aspirants of JEE and NEET 2020/21 can take the test and win prizes & scholarships worth 1.25 crores. Students studying in class 11th, 12th and 12th droppers can appear for this exam. They will get to know where they stand in terms of preparation and competition. Every student will have to pay a nominal fee of rupees 100/- and in return, he will get Paytm cashback offers worth rupees 250* and prizes include: cash, laptops, smartphones, amazon echos, Careers360 almanacs, power banks and more.
http://bit.ly/32QjPzy
Don't forget to share it with your friends...
I hope it will be beneficial for you...
Fomo where is given upvote my answer in can ask in the comment section...