CSB Bank has partnered with OneCard, a co-branded Credit Card. OneCard is India’s only Mobile First Credit Card where users can manage every aspect of the card on a mobile app.
1st Level Escalation |
Customer Support • Select “Need Help?” from the Profile section in the One Card App • Email your query or concern to csbone@getonecard.app • Call on helpline number at 1800-210-9111 |
2nd Level Escalation | grievances@fplabs.tech |
3rd Level Escalation | • Email your query to customercare@csb.co.in • Call on helpline number at 1800-266-9090 |