The correct option is B Saheli
Saheli is a non-steroidal, non-hormonal pill that uses a chemical that prevents the implantation of the fertilised ovum. Saheli does not affect the hormonal balance of the female.
Progestasert, Etonogestrel implant and Transdermal skin patch are hormone based contraceptives. They contain steroidal hormones like progesterone or estrogen or a combination of both.