Wrong rates

Here’s my store URL https://www.shopvismaya.com/cart/ I am getting wrong rates when I compare them from rates on fedex website.

Fedex Response: stdClass Object
(
[HighestSeverity] => SUCCESS
[Notifications] => stdClass Object
(
[Severity] => SUCCESS
[Source] => crs
[Code] => 0
[Message] => Request was successfully processed.
[LocalizedMessage] => Request was successfully processed.
)

[TransactionDetail] => stdClass Object
(
[CustomerTransactionId] => *** WooCommerce Rate Request ***
)

[Version] => stdClass Object
(
[ServiceId] => crs
[Major] => 16
[Intermediate] => 0
[Minor] => 0
)

[RateReplyDetails] => Array
(
[0] => stdClass Object
(
[ServiceType] => STANDARD_OVERNIGHT
[PackagingType] => YOUR_PACKAGING
[DestinationAirportId] => DEL
[IneligibleForMoneyBackGuarantee] =>
[OriginServiceArea] => AA
[DestinationServiceArea] => AA
[SignatureOption] => SERVICE_DEFAULT
[ActualRateType] => PAYOR_ACCOUNT_SHIPMENT
[RatedShipmentDetails] => stdClass Object
(
[ShipmentRateDetail] => stdClass Object
(
[RateType] => PAYOR_ACCOUNT_SHIPMENT
[RateScale] => 0000000
[RateZone] => R0001
[PricingCode] => ACTUAL
[RatedWeightMethod] => ACTUAL
[CurrencyExchangeRate] => stdClass Object
(
[FromCurrency] => INR
[IntoCurrency] => USD
[Rate] => 0.02
)

[DimDivisor] => 0
[FuelSurchargePercent] => 34.0
[TotalBillingWeight] => stdClass Object
(
[Units] => KG
[Value] => 1.0
)

[TotalBaseCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 4.68
)

[TotalFreightDiscounts] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalNetFreight] => stdClass Object
(
[Currency] => USD
[Amount] => 4.68
)

[TotalSurcharges] => stdClass Object
(
[Currency] => USD
[Amount] => 4.18
)

[TotalNetFedExCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 8.86
)

[TotalTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 1.27
)

[TotalNetCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 10.13
)

[TotalRebates] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalDutiesAndTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalNetChargeWithDutiesAndTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 10.13
)

[Surcharges] => Array
(
[0] => stdClass Object
(
[SurchargeType] => FEDEX_INTRACOUNTRY_FEES
[Description] => Waybill
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 2.51
)

)

[1] => stdClass Object
(
[SurchargeType] => FUEL
[Description] => Fuel
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 1.59
)

)

[2] => stdClass Object
(
[SurchargeType] => OTHER
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 0.04
)

)

)

[Taxes] => stdClass Object
(
[TaxType] => INTRACOUNTRY
[Description] => India Service Tax
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 1.27
)

)

)

)

)

[1] => stdClass Object
(
[ServiceType] => FEDEX_EXPRESS_SAVER
[PackagingType] => YOUR_PACKAGING
[DestinationAirportId] => DEL
[IneligibleForMoneyBackGuarantee] =>
[OriginServiceArea] => AA
[DestinationServiceArea] => AA
[SignatureOption] => SERVICE_DEFAULT
[ActualRateType] => PAYOR_ACCOUNT_SHIPMENT
[RatedShipmentDetails] => stdClass Object
(
[ShipmentRateDetail] => stdClass Object
(
[RateType] => PAYOR_ACCOUNT_SHIPMENT
[RateScale] => 0000000
[RateZone] => R0001
[PricingCode] => ACTUAL
[RatedWeightMethod] => ACTUAL
[CurrencyExchangeRate] => stdClass Object
(
[FromCurrency] => INR
[IntoCurrency] => USD
[Rate] => 0.02
)

[DimDivisor] => 0
[FuelSurchargePercent] => 33.5
[TotalBillingWeight] => stdClass Object
(
[Units] => KG
[Value] => 1.0
)

[TotalBaseCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 2.67
)

[TotalFreightDiscounts] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalNetFreight] => stdClass Object
(
[Currency] => USD
[Amount] => 2.67
)

[TotalSurcharges] => stdClass Object
(
[Currency] => USD
[Amount] => 3.47
)

[TotalNetFedExCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 6.14
)

[TotalTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 0.88
)

[TotalNetCharge] => stdClass Object
(
[Currency] => USD
[Amount] => 7.02
)

[TotalRebates] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalDutiesAndTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

[TotalNetChargeWithDutiesAndTaxes] => stdClass Object
(
[Currency] => USD
[Amount] => 7.02
)

[Surcharges] => Array
(
[0] => stdClass Object
(
[SurchargeType] => FEDEX_INTRACOUNTRY_FEES
[Description] => Waybill
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 2.51
)

)

[1] => stdClass Object
(
[SurchargeType] => EXTRA_SURFACE_HANDLING_CHARGE
[Description] => Extra Surface Handling Charge
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 0.0
)

)

[2] => stdClass Object
(
[SurchargeType] => FUEL
[Description] => Fuel
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 0.9
)

)

[3] => stdClass Object
(
[SurchargeType] => OTHER
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 0.03
)

)

)

[Taxes] => stdClass Object
(
[TaxType] => INTRACOUNTRY
[Description] => India Service Tax
[Amount] => stdClass Object
(
[Currency] => USD
[Amount] => 0.88
)

)

)

)

)

)

)

From API I am receiving rates: FedEx Express Saver: ₹ 351
FedEx Standard Overnight: ₹ 507

On website Rates are: FedEx Standard Overnight® 792.90 672.50
FedEx Economy® 588.60 588.60