H4 visa Emergency Appointment - India Process

Helloo , my name is yatri . I want to apply for H4 emergency . My husband is alredy in usa with having h1b visa.
Can u help me fill emergency application ? What reason i hv to show for emergency ?
Do i hv to wait till 30dec 2020 ?
Or i can apply now? What should i hv to do ?

No need to wait.
You apply for H4 under emergency under health reason and attach details of your spouse status in US, below are some experiences on process.