my wife has 2 properties one in her name another bother both his father & mother name jointly after marriage she had promised to give one property to my wife ,2 years back my wife's father passed away take advantage of this my motherinlaw's brother had beaten my wife before marriage to sell those properties but she had stayed strongly without accepting for that,even my wife;s mother want to give these properties earned by my fatherinlaw to her brothers now after 2 years she is agin refusing to give one property which she had already promised to give her brothers are playing trick to acquire all these properties from my wife as she is the only girl in the family now can we file case and change the property in to my wifes name is their any possibility for that or is it advicable to sell the property and share with our motherinlaw which is better way for the problem ?