Ref. No. 37 / 1040
In the name of Allah the most Gracious the most Merciful
The answer to your question is hereunder:
It indicates that the grandmother is in a good state and Allah has granted her a place in Jannat and forgiven her sins due to the Quran learning. And the others you saw in dream all are happy and in a good state.
And Allah knows best
Darul Uloom Waqf Deoband