Of the two, the first.
Use of the ampersand (&) in writing is a spelling mistake. Not acceptable unless you're trying to be funny.
The sentence is gramatically correct.
yes.
Everybody has is correct.
Yes it is.
No 'It's for you' would be though
It's a weird sentence, but it is grammatically correct.
Yes it is correct to say "Have a wonderful Holiday."
No because and is a fanboy and it would not be gramatically correct
i welcome you TO Delhi.
Yes, there is a verb and and a noun and they are in the same tense therefore it is gramatically correct.
You should say for your convenience it is *gramatically correct-*just means correct