En Roshan completed his primary and secondary education in Terengganu and Selangor, Malaysia. He later pursued tertiary education specialising in the maritime field and earned a professional certificate from the Australia Maritime Safety Authority. In addition, he holds a Diploma of Applied Science from the Australia Maritime College, a specialist institution of the University of Tasmania.

During his tenure from 2004 until 2009, En Roshan held multiple senior positions both onshore and offshore in the Upstream Oil and Gas Sector covering Transport & Installation, Subsea Construction Inspection, Repair & Maintenance, as well as Deepwater Subsea Construction.

In July 2010, En Roshan joined Melewar Industrial Group Berhad as Vice President of Business Development and was redesignated in January 2011 to Vice President cum Deputy Head, Group Commercial Department of Mycron Steel CRC Sdn Bhd (“MSCRC”). In May 2011, En Roshan became the Chief Operating Officer of MSCRC and Business Development divisions respectively. Subsequently, he became the Group Chief Operating Officer of Mycron Steel Berhad in September 2016 and Chief Executive Officer of both MSCRC and Melewar Steel Tube Sdn Bhd (“MST”). En Roshan is responsible for the operations of both MSCRC and MST.

On 30 July 2024, En Roshan was elected President of the Malaysian Iron and Steel Industry Federation (MISIF). Prior to this appointment, he served as Deputy President I from 1 December 2021, and has been a dedicated Council Member since November 2018. En Roshan also sits on the Board of the Malaysia Steel Institute (MSI).