The correct option is B Arandi leaves
Eri silk is made by Samia cynthia ricini which feed on leaves of castor oil plant, known as arandi in Hindi (Ricinus communis). It is also known as Endi or Errandi silk. Because manufacturing process of Eri allows the pupae to develop into adults and only the open ended cocoons are used for turning into silk, it is also popularly known as non-violent silk. This silk is soft and warm and is popular as shawls and quilts