Right on grandfathers house

All have equal right over property, she cannot obstruct you to enter premise she or other co parceners can file suit for partition.

All the legal heirs of the grandfather are entitled to a share in the property as a right which include the legal heirs of the deceased legal heirs too.

The affected parties can file a suit for partition for dividing the property and for allotment of their share with separate possession.

The property is in joint name of your father and his  siblings and.since your uncle has passed away so his property rights shall devolve to his legal heirs i.e his wife and children. Anyone or affected joint owner may file suit for partition and claim their respective share and separate possession of property. 

Thank you . I understand that all have equal rights. Is there any way to restrict others entry since she has been living in the house for 40 years.

Yes, the property, the house included, is jointly vested with all the legal heirs. The wife of the deceased brother also happens to be a jointee.

Yes I understand that but can she disallow others from entering the house since she has been living there for 35-40 yrs now?

No.  Though your uncle's wife (your father's deceased younger brother's wife) has been living in that house for 4 decades, she cannot disallow others.  File a partition suit for your legitimate rights.

Thanks everyone for the clarifications

Regards

Rajendra

Very well analysed, opined and advised by learned experts, I would like to add to the above you may file a suit for partition before jurisdictional court through a local prudent lawyer.

All LRs of your grandfather has  equal share in his intestate property.

Thank you for you knowledgable suggestion.  I understand the property can be claimed by filing a partition suite. Is there any leagal way to ensure the house is not locked to disaalow enty to other? What can be done if house is locked and other legal heirs want to stay in the house until the partition is done?

Thank you

Rajendra

They can reside in it.

In the suit for partition you, with other shareholder(s) if any, may seek an interim injunction from the court through your lawyer.