Stripe supports the processing of American Express (AMEX) cards on your India account with the following restrictions:
Presentment of the charge must be in INR.
Cross-border charges are not supported: your customer must be in India.
Recurring charges on AMEX are not supported for India-issued AMEX cards.
Your statement descriptor will only be visible to the cardholder on their card statement after the charge has been processed, which takes approximately 24 hours.