Sex determination using Barr bodies is possible through which of the following methods?

Choose the correct option:

Mark the incorrect statements:
$A.$ Castration is a method of contraception.
$B.$ $MTPs$ have a significant role in decreasing the size of population,so it is legal.
$C.$ Amniocentesis for sex determination is banned in our country.
$D.$ Nearly $45$ to $50$ million $MTPs$ are performed in a year all over the world.

Which of the following cannot be detected in a developing foetus by amniocentesis?

What does the given figure represent?

Where is the Central Drug Research Institute $(CDRI)$ located?