Shadab & Co. — e. rickshaw

Service not provided to me. E rickshaw paper not provided to me. E rickshaw part damage and warranty not provided on time. Battery and charger both are damage. E rickshaw buy on 8/10/2017 name sufiya bano. Please solve me this problem. I am very upset. I give e rickshaw to shadab & co. For maintain and repair but 4 month ago but not solve me problem please give me help.
Thanking you with the best regards