What is the figure given below showing in particular?

What is true about 'Saheli'?
$I$. Developed at $CDRI$,Lucknow
$II$. Contains a steroidal preparation
$III$. 'Once-a-week' pill
$IV$. Many side effects
$V$. High contraceptive value
$VI$. Very few side effects
$VII$. Low contraceptive value

Generally,which of the following is not used as a female contraceptive?

What is the function of Copper $T$?

What is the use of condoms?

Which contraceptive pill was developed by $CDRI$?