My grand father gave 10 lacs money to my uncle ,my uncle wrote a promisory note and they are renewing that note ,they renewd the note once,now my grand father passed away
now my uncle is saying that i do not owe any money to you at all,but we have the promisary note with us
my grand father's only child is my MOM who is a widow and she is 60 years of age,
what can we do get the money from my uncle?
is the promisary note valid after my grand father's death?