20. Answer in detail I

a. Ahimsa silk is also known as __________.

b. _________, a Government officer from the _________ state of India, proposed the ahimsa way of silk production in _________.

c. Ahimsa silk is a method in which silk is made ___________ the silkworms. It is a __________ method in which the worms are allowed to hatch and use __________.

d. The traditional method of silk manufacture involves _____________ used in the production of silk.