What is the due date for INC-5?
If the paid up share capital of an OPC exceeds fifty lakh rupees or its average annual turnover during the relevant period exceeds two crore rupees, the OPC shall within sixty days becoming applicable, the One give a notice to the Registrar in Form No.INC-5 informing that it has ceased to be a One Person
Company and that it is now required to convert itself into a private company or a public company
by virtue of its paid up share capital or average annual turnover, having exceeded the threshold
You can learn more about INC-5 here:
Hope this helps!