What is the exemption limit of keeping silver ?

1. As per IT rules keeping of gold in the family is expempted upto 500 gms per married lady, 250 gms per unmarried lady, and 100 gms per male member . . question is whether this 500 /250 /100 gm needs to be in the form of jwellery, or it can be in the forms of gold bars /coins ? . . . . 2. NOW another important question pls :: What is the exemption limit of keeping SILVER per person or per family ?? This information does not seem to be available readily . . . Pls help Thanks