Wife left home and is threatening to file false dowry case

i got marriage 6 months back . my family is living at dholpur .I am working at udaipur .now she is pregnant and she is living with her parents at gwalior. and she is not coming at my home and falsely saying that my parents and me is taking about dowry and all. she is housewife still dont want to do household works .I am Hindu (Brahmin). I want to know that what can I do .I want divorce is it possible .I am govt. servant without much harm to my reputation and money .she is postgraduate but jobless .I will have to give alimony or not. How can i save my family and me .My parents are doubting that what will happen if she will file false complaint of dowry and harassment against us .We can take any step rightnow or not .