Prempal Singh has developed a diverse professional background across multiple industries. Currently engaged at Biomarked since June 2020, Prempal Singh contributes to a community focused on assisting individuals with lifestyle disorders. In the Indian Ordnance Factories since December 2019, Prempal Singh holds the position of IES Officer, achieving an all-India rank of 105 in UPSC ESE 2018, and stands out as the youngest officer of the 2018 batch. From November 2018 to July 2019, Prempal Singh served as an officer at Indian Oil Corporation Limited, leading a significant project with a team of over 200 employees. Furthermore, in May 2016, Prempal Singh participated in a project at the Indian Institute of Technology, Roorkee, focused on drinking water quality monitoring and treatment. Prempal Singh completed an educational program at the Indian Institute of Technology, Roorkee from 2014 to 2018.