sandisk themseves provide service for memory cards(don't know about other products) not Rashi
this is what i got in reply from cc
here is the address for delhi service center
[CODE]DIGICOMP COMPLETE SOLUTIONS LTD,
107A,108 A, MODI TOWER,
BUILDING NO:98, 1ST FLOOR,
NEHRU PLACE,
NEW DELHI -110019[/CODE]
for memory card Rma you have to contact the CC with your issue, they will provide the RMA number, and after that you just need u submit the memory card with Rma number to the service center.