5x rewards on Amex Cards on utility (water, electricity, and gas) expenditure [Maybe User Specific]

https://www.americanexpress....in
Received email for the same. I have gold card of American Express.

Offer :
Paying off your utility expenses on water, electricity, and gas with your American Express® Card can bring you more rewards.
Earn 5 Membership Rewards® points on every ₹100 you spend on utilities*.
You can enjoy up to 3,000 points with your Card.
Maximum 1,000 points in a calendar month.
The offer is valid until 30 September 2020.

*Terms and Conditions apply
The offer is applicable for only select American Express Cardmembers. A Cardmember is eligible for this offer only if he/she has received an offer communication directly from American Express through any of its channels.
Membership Rewards® points will be credited to Cardmember’s account within 90 days after the calendar month in which eligible spends under the offer have been made.
Spends (net of reversals) on the eligible Card for the entire calendar month(s) will be considered.
Only eligible transactions going through merchant platforms will be eligible for Membership Rewards® points. Transactions going through an aggregator (like Paypal, Paytm, PayU, Amazon Pay, PhonePe etc.) may not trigger Membership Rewards® points since it entirely depends upon how a merchant submits its transactions to American Express.
Charges paid through payment wallets will not be eligible for Membership Rewards® points under the offer.