The aviation industry is a highly uncertain field. Students must have complete knowledge of the industry situation and be prepared for the best as well as the worst.
Even after becoming a pilot, you have to give medical tests every six months and could be declared medically unfit. So being fit is very important. But nowadays we find that many youngsters suffer from lifestyle and other diseases in the very early ages.
It is better to join a government institution for training. You will get value for money and the best training.