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UC2843: Diode Switching Waveform

Part Number: UC2843

I am using UC2843 for converting 24V to (SEC1 = 16V and SEC2 = 16V) with dual secondary transformer as per below figure.

I am measuring Diode Q2 Drain to source waveform at typical load (at Secondary1 = 55mA and Secondary2 = 35mA). As per datasheet waveform is expected as per Figure 9-8, where as I observed below waveform at drain to source of Mosfet. Can you tell me observed waveforms are correct or not? 

If it is wrong, what improvement need to be done in schematic?