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Financial Institutions
Fiserv India Customer Care No. 1800 266 6545
Updated on Saturday, 30 May 2026 - 12:45pmToll free Number(s):
1800 266 6545 (For Customer Support, 24*7)
1800 102 1671 (For Alternate Customer Support, 24*7)
1800 102 1673 (For Payment Gateway Enquiry, 24*7)
Website:
Official Website
Website:
For Merchant 