It is well known that in countries like China and India, many couples prefer a son to a daughter. They therefore welcome the chance to detect the sex of their unborn child and often prefer to abort a female foetus.
India has passed a law prohibiting the use of the ultrasound technique to detect a baby's sex but in practice it has been virtually ignored.
The Indian Census for 2001 showed some alarming statistics in declining girl birth rates. Vir Singh went to Harayana to find out if the campaign to enforce the law will make any difference to the fate of girls.