The authority under whose jurisdiction property falls has a set procedure for such matters if the ( Valid) WILL has surfaced; Testate Succession…….and the prescribed forms, procedure, process is available in O/o Authority and even on website. Certified copies of the WILL, death certificate, legal heir certificate/affidavit (per local procedure/precedence) are basic requirements. The authority may ask for NOC from legal heirs (other than beneficiary) and/or to release newspaper advt and/or may write to legal heirs to submit their objections if any within set time.
If there is NO contest to the WILL by any legal heir then authority shall act upon the WILL without any cloud on it and transfer the ownership in the name of beneficiary.
If WILL is contested it lands up in probate court of pecuniary jurisdiction. The court shall decide on validity of WILL.
The legal heirs may also consider perspective of registered family settlement after the WILL and register it.
Check locally and comply with procedure. Thereafter concerned official in the O/o Authority e.g; Patwari, shall act upon the matter and transfer the ownership by inheritance/probate in the name of legal heirs in mutations records.
Thereafter obtain copy of updated mutation records.
You are one of the legal heirs and you can enjoy your share and she can enjoy her share.
For partition by boundaries either decide amicably (best recourse) or take help of other elders of the family or panchyaat or court of law..
If WILL is not submitted to be acted upon then it becomes matter of succession per personal law that applies.
Although it is wrong since the WILL exists.
Check locally and comply with procedure.
The WILL has to see light of the day. Until duly acted upon without any cloud on IT (or probated) a WILL is mere piece of paper. The delay is submission of WILL arouses suspicion.
The legal heirs do get chance to either give consent or oppose the WILL.