1. ALL the residual Legal Heirs (children) of Father, can execute a registered "Release Deed" in favor of Mother, permanently relinquishing all their rights over all property, including Prop. Firm, alongwith Assets & Liabilities, floating & fixed Stocks, all relevant licenses & permits etc....
2. Based on this registered Release Deed, Mother can conduct all proceedings to change name of prop. in her own name, in all the relevant authority offices, income tax, GST, etc....
3. Based on above point no. 1 & 2, ALL existing licenses, permits, insurance coverage, liabilities will run as usual without any interruptions.