She started work as Assistant Locomotive Master (ALM) of Bangladesh Railway in 2004.

[4] Salma Khatun was born in the village of Arjuna in Bhuapur Upazila, Tangail District[1] to a subsistence farmer and a homemaker.

Khatun earned her Secondary School Certificate (SSC) from Arjuna Muhsin High School and passed her Higher Secondary Certificate (HSC) exam from Kumudini Government College.

[5] She was studying for an honors degree at Jagannath University when she applied for a job with Bangladesh Railway in 2003.

[6] She continued her studies after she got the job in 2004, eventually completing a BSS, BEd, and master's degree from Kabi Nazrul Government College.