What is the surgical procedure called where the fallopian tubes are cut and the ends are tied?

Female condoms are known as:

Which oral contraceptive is developed by $CDRI$?

Find out the correct aspects of lactational amenorrhoea.
$I$. Ovulation does not occur during the lactational period.
$II$. Chances of the failure of contraception are almost nil up to six months following parturition.
$III$. Side effects are almost nil.
$IV$. It is a natural method of contraception.
$V$. It increases phagocytosis of sperms.

$A$ sterilisation technique in females which blocks gamete transport and thereby prevents conception is

Which of the following is an oral contraceptive?