H4 consulate ??

[H4info]

I am trying to book an appointment for my wife who is from hyderabad( Chennai consular ).I would want to enquire if she can take an appointment in Delhi consulate solely because the date is not available in chennai consulate?
your feedback on this will be of great help.
Thanks in advance & looking forward to your suggestions ( any link which officially declares this can be done )

[immihelp]

No, you can't.