Injection order against entering into my property

Consult a near by Lawyer serve the notice and file a suit for Encroachment if it is already been partitioned or file a suitable suit.Even a police complaint could be given for encroachments.

if your wife has a partition deed ,along with the sketch and drawing of her property  which she got in partition, and now if her property is being encroached by her brother, she can file a criminal case for  under IPC  for trespassing, and can file a civil suit for recovery of property.  

Have you confirmed the extent of your property as per your deed, if you find that he has encroached the pathway belonging common to all users, you may file a mandatory injunction suit along with an interim injunction application for the permanent and temporary reliefs.

If your wife has any family partition deed and sketch map of the partitioned portion allotted to her as absolute owner thereof which was demarcated by a pucca boundary wall constructed  at the cost of your wife in that event  you can legally claim your entire demarcated portion by filling a civil suit in the Civil Court and can file a petition for mandatory and temporary injunction restraining your wife's brothers from encroaching her partitioned portion in any manner and can claim damage and compensation for the demolished boundary wall.  Further your wife can file a written complaint against her brothers for committing  criminal mischief  by demolishing her boundary wall with the criminal intent to grab a portion of her property and by taking the receipted copy of the said complaint can file a petition before the Magistrate of the criminal court of jurisdiction u/s. 156 ( 3 ) of Cr. P.C. for investigation by local police and to report the same before the said court..

thank you sir