Economic backward class students have already less fees than general category . Suppose you apply for admission at any institute , then that institute will provide the details for concession in fees , also there are many government scholarship programs through which you can get 50% concession in fees . So yes you can get 50% fees return in management quota in Gujarat . Also there is also i think there are  rules that  student do get 50 % concession in fees or fees return in gujarat .