1.what if they proceed legally with those promissory notes to the court,whether there is chance to attach my father and mother land properties also.
For recovery of loan, the lenders may file a suit against the legal heirs and move an application to attach the properties of the deceased borrower. However they cannot seek attachment of your mother's properties.
2. If person dies what happens to his debts(whether spouse or children responsible for those debts)
The personal loan availed by him shall be liable to be cleared by the legal heirs if they acquire the properties left behind by the deceased debtor of course to that extent alone.
3.as per online i came across term ESTATE what does this mean legally whether estate means a firm or land properties on his name.
Estate means property.