@RohatKılıç Sir there is an issue in your calculation. The power I am getting is 0.00106Ws and with that we have a power of approx 63W at input and 60.6 at output with an inductance of 3.9uH. But when we move towards the step of calulating the number of turns for the primary then the number of strands is causing me an issue and this is due to the current density I am getting.

@kam1212 First, 0.00106 W-s is not power, it's energy per cycle. Second, can you please explain how you can get 63W from E = 0.00106 W-s? It's energy per cycle, so the power transferred (or consumed) per cycle should be P = E x Fsw = 0.00106 x 60k = 96W. Explain how you are getting 63W with 0.00106 W-s.

@kam1212 Another part of the story is the inductance. You didn't mention 3.9 uH in your question, initially. But you mention a peak current of 23.2 Amps. From E = 0.5 L I² and V = L di/dt, I found the values I mentioned in my comment. That's all.

0.00106*60k=63.6W

@RohatKılıç @RohatKılıç Yes It was a mistake that I didnt share the inductance at first