H1-B Visa Stamping - Wife on H4 EAD (Working) - Is it better to go stamping together or separate

I am H1-B Visa - Wife on H4 EAD (Working) - Is it better if we both go to VISA stamping together or go separate. Stamping in INDIA, I am a contractor/consultant. this will be my 3rd H1-B Stamping in INDIA/overall. Please share any recent experiences you are your friends faced ?