What is sex ratio? What are the main factors responsible for declining sex ratio in some parts of India?

The number of female per 1000 males is the sex ratio of a particular state or country. The main factor responsible for decline in sex ratio is Women Empowerment. Even though practices like Sati, Child marriage, female infanticide are abolished by law, it is still continued in some parts of India. Widows are often sent to cities like Benaras and wear white clothes, eat bland vegetarian food.