Customer Support - Tagged Questions

• I need my CRN number for a Kotak Bank service but I can’t seem to locate it anywhere. How can Kotak customers find their CRN number using mobile banking net banking statements or customer support?
• I am a TN Mobile user and I'm currently away from a Wi-Fi connection. Is there a USSD code or a specific SMS format I can use to check my remaining airtime and data balance?