Need help in rescheduling visa interview

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Dear Sir, Madam - I have booked a visa interview appointment along with my family at HYD consulate, however, I would like to reschedule my visa appointment to MUMBAI or other consulate where I can get earlier date for appointment.

I heard if I change consulate location while rescheduling interview, I need to update DS-160 number in UID profile at cgifederal site. However, I am unable to find a way to update my family's DS-160 number through my login.

Could you please advise the process.

Regards,
Shrav