Mentally disabled brother torturing his mother what can be done

My brother got paralysed since 5 years...my 50 yr old mother takes care of him..but since last 1 year he started torturing my mother he severely injured my mother many times...I work in another city that's why I can't help my mother..I just care my mother..sometimes he injures very badly..she is about 50 yr old and patient of high bp and super..I just want to know is i can send him to any hospital with a legal court order? If yes how? My mother and don't want any relation with him...