Dear @banshi_lal_Arora
To replace the faulty HP 64GB pen drive purchased via Amazon India, initiate a return or replacement request through Amazon’s “Your Orders” section at Amazon India Orders. If the return window is closed, contact Amazon’s support from chat section. Additionally, you can reach HP Customer Support at 1800-258-7170 or visit HP Support to check warranty options and claim a replacement.
If still need help, reply to us.