AOC 4 & MGT 7 due date for OPC first year

a) Sir this is going to be my first year of OPC what is due date to file AOC-4 & MGT-7 for ay 21-22

b) i have not filed ADT-1, as it showed ADT one is not compulsory for first year however while filling data in AOC-4 form its asking me SRN of ADT-01 form, what should i do now???