Apollo Tyres — I didn't get policies benefits

Apolo tyres company has many policies for employees and his family and one is that Medicalem policy in this policy employee can get medicalem for any injury or accident case but company not allow give benifits of policy to the mother & father of the employees.managment says they are not banificial only allow for wife & childerens. but there so many becholer employees whom are not satisfied to this rule of managment. if any employe take a stand againest this then managment gives the warning to keep quite.