you need to make application for being appointed as guardian of mentally retarded brother
2)you have to approach the District Collector, under Section 14 of the National Trust for Welfare of Persons with Autism, Cerebral Palsy, Mental Retardation and Multiple Disabilities Act, 1999, in Form A in terms of Rule 16(1) of The National for Welfare of Persons with Autism, Cerebral Palsy, Mental Retardation and Multiple Disabilities Rules, 2000 for appointment of guardian of the person and property of your brother , alleged mentally retarded person.