Hi,
Very nice formula Asheesh!
Just replace Trim with substitute function to get the commas as well.
example:
=IF($E10="","",SUBSTITUTE("("&G10&" PS No "&I10&", "&J10&", "&K10&", "&L10&", "&M10&", "&N10&", "&O10&", "&P10&")",", , ",""))
Regards
Prasads DN