It might be late, but always good to give a try to get the lower price.
Cancelling a Contract
Under the Consumer Protection Act, 2002, you have the right to cancel an agreement and have your money returned to you if:
The contract is subject to a cooling off period. You have the absolute right to cancel (for any reason) within 10 days of receiving a written copy of the agreement.
The vendor has made a false, misleading or deceptive representation about the goods or services you agreed to buy or lease.
The information about the goods or services, or your rights as a consumer required by the Consumer Protection Act, are not provided to you in the agreement.
Send one of the following three cancellation, or rescission, letters to a business if you have changed your mind about a product or service you have purchased.