Original sentence: (In today's modern world this system is rarely practised.A nair matriarchal family is called as a Tarawad or Marumakkathayam family.A traditional nair Tarwad consists of a mother and her children living together with their mother's surviving eldest brother or eldest surviving maternal uncle who is called as Karanavan.However this does not imply that the decision making was in the woman's hand.In a Nair family, amongst all the women at home, the eldest mother would become the head of the family.The 'Karanavan' was responsible for making most decisions.The main significance of this system is that the heirs to the property were the women in the family and the men folk were only allowed to enjoy the benefits during their lifetime.The members of the nair community now live in nuclear families).The naming system of the nair community had the prefix of their mother's 'family name' and they adopted the mother's surname.The traditional nair community in Kerala, South India is matriarchal by system