Regarding deposit of cash to bank account

The sale deed selling the property (jewels) and your PAN details would need to be provided at the time of depositing this amount.

Besides the buyer would be required to deduct tax at soure towards capital gains tax as the rate appliable to the NRIs/foreign citizens. 

a) The tax amount deductible must be paid to the government within seven days of any such transaction made. b) The penalty of not paying TDS on property can go up to Rs. 1 lakh under Section 271H.

The querist should understand the underlying legal consequences for doing the things which may not be legally permissible or valid.

He should cionfine himself to the legal framework if he wants a safe travel