In a letter, 'Postscript' is added-

• In a letter, 'Postscript' is added at the end of a letter.​• Postscript (n) (সংক্ষেপে PS): ​- বাংলা অর্থ: পুনশ্চ।- An additional remark at the end of a letter, after the signature and introduced by ‘PS’.- an extra piece of information about an event that is added after it has happened.- It comes from the Latin - postscriptum, which literally means “written after.”- An extra message is added at the end of a letter after it is signed.- চিঠিতে স্বাক্ষরের পরে যুক্ত বাক্যাবলী; পুনশ্চ; অতিরিক্ত বা সর্বশেষ তথ্য।Source:1. Accessible Dictionary by Bangla Academy.2. Cambridge Dictionary.