You can transfer funds through Payment Gateway via Alpha Desktop Trader directly, which is one of the quickest method to transfer funds from your linked bank account to your SAS trading account. It is instant and will cost Rs. 9 + GST per transaction.
NOTE: - List of banks which are available for Payment Gateway is enclosed for your reference.
Can transfer funds via NEFT / RTGS / IMPS if particular bank is not available for Payment Gateway.