Shubho-shondhye
Amar khub shunder ekta bikal shilo!
In Bengali, you can say "শুভ দিন কাটুক" (shubh din katu) to mean Have a nice day.
"Have a nice evening". Most of us speak English in Australia.
shundor chopi or bhalo photo
The word for nice in bengali is Bala orShundor.
Bela tarde.
In India, you can say "Namaste" which can be used throughout the day as a form of greeting. For good evening specifically, you can say "Shubh Sandhya" in Hindi or "Subho Sandhya" in Bengali.
The meaning of the word is "Evening star" or "Evening" in Bengali
It is correct to use "have" with the plural subject "you and your family". For a correct sentence, you could say, "I hope you and your family have a nice evening."
Golgu todu show du
o akta misti ar bhalo chele
In Bengali, you can say "না" to say no.