The Principal Secretary to the Prime Minister of Bangladesh (PS to the PM; à ¦¬à ¦¾à ¦Âà ¦²à ¦¾à ¦¦à §Âà ¦¶à §Âà ¦° à ¦ªà §Âà ¦°à ¦§à ¦¾à ¦¨à ¦®à ¦¨à §Âà ¦¤à §Âà ¦°à §Âà ¦° à ¦®à §Âà ¦Âà §Âà ¦¯ à ¦¸à ¦Âà ¦¿à ¦¬) is the administrative head of the Prime Minister's Office. The office holder is generally a civil servant, commonly from the Bangladesh Administrative Service.