6.75% tax free us 64 bonds — Current Status

Kumari Roshni Dinshaw Mahudavala holds the below mentioned Bonds:

Investor Id Number:[protected]
Bond Certificate Number: 26989451
Number of Bonds: 184

Investor Id Number:[protected]
Bond Certificate Number:[protected].
Number of Bonds: 132

Investor Id Number:[protected]
Bond Certificate Number: 26989434
Number of Bonds: 198

Investor Id Number:[protected]
Bond Certificate Number: 26989442
Number of Bonds: 158

Would like to know the fate of these Bonds. Thank you