Answers

2016-02-02T18:23:58+05:30
It has been done so because... A. People would, otherwise, kill their baby girl child before it takes birth, as they had in the past. B. A large gap between male female ratio would have come into existence. Hope, that's what you asked for.
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2016-02-03T06:01:12+05:30
Due to this Sex Ratio goes downwards 

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