Sister-In-Law was attached With Sharp Weapon by his Brother-In-Law in Arnia last evening. Rekha Devi, who has matrimonial dispute with her husband, said she is staying with her sister for last few days. Rekha said yesterday she took her sister along with her to her home to get some clothes . She said when they reached there, her husband attacked her sister, who is presently admitted in hospital. She has demanded strict action against the accused.