in my circuit a am using center tapped inductor.. i need to simulate that circuit in orcad 16.3 whether in orcad center tapped inductor is available or else wat i have to do to produce the same effect in my simulated circuit...
Yes, they are available. You can find the part in anl_misc.olb. probably XFRM_LIN/CT-SEC would serve your purpose. I assume you meant center tap transformer. Not sure what is meant by centre tap inductor, anyway you can simulate that connecting two inductors in series.
I don't use Pspice but the Spice netlist syntax is to add a device:
K1 L1 L2 0.99
Where K1 is the mutual coupling with a coupling of 0.99 and L1, L2 are the two inductors. It is important to get the inductors the correct way round to behave like a tapped inductor.