Company Incorporation

Dear Sir / Madam, While doing the Incorporation of a company, In AGILE form we have chosen "OPTION NO" due to this GST, PF and ESIC registration has not been done, however we have got the Incorporation certificate Now My Question:- 1) shall we does the registration for all three acts after we does the incorporation? 2) If so, I am trying to update the 15th Point in Agile form "Select Appropriate Branch Office" it is not working. Please help me to fix this issue experts.