Take the following Steps: Call T- Kash customer care on 160 for FREE.The customer care agent will take you through security questions to confirm your identity. Upon positive confirmation of your identity, customer care will send you a new PIN. You will be required to create a new PIN using the following steps. Go to your T- Kash Menu. Select ‘My Account’. Select ‘Change PIN’. Enter current PIN . Enter New PIN. Enter New PIN again. You will get a confirmation SMS from T- Kash.