How do i remove Amazon Elastic Compute Cloud NatGateway?

The resolution to your question is here :- https://repost.aws/knowledge-center/vpc-delete-nat-gateway . Note: The NAT gateway entry might remain visible in the Amazon VPC console for an hour after removal.

Hope it clarifies and if does I would appreciate answer to be accepted so that community can benefit for clarity, thanks ;)

Hello.

Once it appears on your bill, it will not disappear from your bill until the next month.
The charge is occurring in the Ohio region (us-east-2), so please check if the NAT Gateway remains in the Ohio region.
If you don't have any left, you won't be charged any more.
Also, even if you delete NAT Gateway, ElasticIP remains, so if it is unnecessary, delete it as well.
https://repost.aws/knowledge-center/vpc-delete-nat-gateway
https://docs.aws.amazon.com/vpc/latest/userguide/vpc-eips.html#release-eip