In reply to sarth21:
If the DUT is connected to the clk_interface and it works then the clk_interface should have been connected to all relevant signals. Did you check the waveforms of the clk_interface and the other interfaces?
In reply to sarth21:
If the DUT is connected to the clk_interface and it works then the clk_interface should have been connected to all relevant signals. Did you check the waveforms of the clk_interface and the other interfaces?