About civil case

Is the property your father's self-acquired or an ancestral?  As your brother filed a partition suit, the property is deemed to be your father's self-acquired.  If the property is selfacquired of your father, then they have no right over it.

You have mixed up many issues altogather, Be clear for consideration, analyses and forming an opinion to oblige.

You have already engaged an able, competent and intelligent lawyer who is well aware about facts and circumstances of the case, what is his / her opinion, advise and guidance? 

Mere making inquiries locally is not a crime.  In case of harassment only, the victim should file a police complaint.