Mental and Physical torture by husband and there family members

My sister got marriage one year had been completed, she was facing problems from her husband daily, her husband comes daily at 2'O clock night fully drunk and speaks vulgar words, in front of my sister, as on today, they never spend any single a penny on my sister when ever she got health problem (Fever etc), alway my family members have to go and take her to hospital and medines, recently she got a surgery on the surgery day her husband had left her in hospital gone for his job, me and my family had spend the money for the surgery of my sister of Rs.1 lakh, after surgery also he not even spend a hour with my sister in hospital, she never gets proper food to eat daily. Her mother-in-law and the family members never talk with my sister and they never give proper food or tell to eat. Her husband had sold the all the gold ornaments had been given by my family on marriage and not he sold his but he also sold the gold which we had given to my sister. Her husband never even today he ask that she had eaten the food.