Raihan Chowdhury (born 7 November 2004) popularly known as RACIFER, is a Bangladeshi Author, influencer, and digital marketer. He was born in Gazipur, Dhaka, Bangladesh. He is known for writing ghost stories and miracles. 
His early life started from Barenda village. He was born on 7 November 2004 in Gazipur,Dhaka, Bangladesh. He is the youngest of his parent's two children. His father Majid Chowdhury is a private employee and his mother's name is Aklima Chowdhury. She is the eldest of her four sisters.
He passed his secondary education from Hatimara High School in 2021.
His journey was started when he joined his first company and started working as a digital marketing expert, by that everything is changed in his life, he decided to earn their audience expect wanted them. So with his two-year job experience, he wrote his first book on digital marketing, titled "How I become a Digital Marketer". As soon as the book was published he got a huge response to his book from the audience. So he decided to become a writer and start writing books. His deep passion and determination towards writing impressed him and it took him one step further. Recently he published his second book on Entrepreneurship.
In 2019 he started their first youtube channel name as "Unknown Trainer" on that channel he just posts other people videos after some editing. He has created some other channel also but, after some time he realized that’s wrong. To delete such those channels & in 2021 he started again with channel name Raihan Chowdhury. Now he just posts own content on that channel.
Content & Categories
Basically he uploads different types of video. He creates videos in a different category. Like about blogging, android app development, information about play console accounts, video editing, unboxing latest gadgets or some other tips and tricks.
Raihan Chowdhury also runs there tech website thepssaini he mostly posts about latest gadgets review, a how-to tutorial, about blogging and many more.
|2022||Once Upon A Dark Night||Amazon|
|2022||QUOTES BY RAIHAN: My Story In My Words!||Google Play Books|
|2022||Once Upon A Digital Time||Kdp|
|Wikimedia Commons has media related to RACIFER.|