Saheli is developed by :

Emergency contraceptives are effective if used within:

One of the legal methods of birth control is

Assertion: $HIV$ infection can be avoided by the use of condoms.
Reason: Condoms secrete anti-viral interferons.

Match List-$I$ with List-$II$ with respect to methods of contraception and their respective actions.

List-$I$	List-$II$
$(a)$ Diaphragms	$(i)$ Inhibit ovulation and implantation
$(b)$ Contraceptive pills	$(ii)$ Increase phagocytosis of sperm within uterus
$(c)$ Intra Uterine Device	$(iii)$ Absence of menstrual cycle and ovulation following parturition
$(d)$ Lactational amenorrhea	$(iv)$ They cover the cervix blocking the entry of sperms

Choose the correct answer from the options given below:

Which one of the following is the most widely accepted method of contraception in India at present?