Mumbai : Growing numbers of children are developing irreversible back deformities because of the weight of the bags they carry to school. Overloaded school bags that are up to double the size of those carried ten years ago are contributing to the surge, it is feared. <br /> <br />Subscribe to Tv9 Gujarati https://www.youtube.com/tv9gujarati <br />Follow us on Dailymotion at http://www.dailymotion.com/GujaratTV9 <br />Like us on Facebook at https://www.facebook.com/tv9gujarati <br />Follow us on Twitter at https://twitter.com/Tv9Gujarat <br />Circle us on Google+ : https://plus.google.com/+tv9gujarat <br />Follow us on Pinterest at http://www.pinterest.com/tv9gujarati/pins/