Do i have the right to the property

You are also entitled to get share over the property. Therefore, your maternal uncles can not alienate the entire property.

yes you have share in the property of your maternal grandmother, the whole property will equally divide among your maternal uncle and his sibling , in condition of death of any his/her sibling then children of deceased are entitle to get share of their mother/ father , therefore fight for your right .

The property of a female Hindu dying without WILL shall be distributed according to the rules set out as following -

1. Firstly, upon the sons and daughters (including the children of any pre-deceased son or daughter) and the husband;

 

• If the women has acquired any property from his Father or Mother, in that case the first right will be of the heirs of her father and not husband, in case of absence of his sons or daughters
• If the women has acquired any property from her Husband, in that case the first right will be of the heirs of her husband , in case of absence of his sons or daughters

 

Approach a local lawyer dealing in such/revenue matter and if required proceed legally.