He trained at the National Defence Academy (NDA), Pune, where he captained the basketball team and received the book prize for achieving first place in "Overall Common Service Subjects" during his fourth term.

At IMA, he earned the Jammu and Kashmir Medal for excelling in "Tactical Training" among his coursemates and held the prestigious position of Academy Under Officer for two terms during his final year.

Commissioned into the Infantry in 1987, Sehrawat underwent Commando training and specialized in counter-insurgency operations, high-altitude warfare, and logistics.

He has also worked to preserve Delhi's cultural heritage, including efforts to save the Aravali Ridge and Sultan Garhi structures,[8] [9] and was recognized for his social impact in TOI in March 2013.

His tenure was marked by initiatives in infrastructure, education, and environmental advocacy: In 2019, following the Pulwama attack, Sehrawat resigned from AAP and joined the Bharatiya Janata Party (BJP), where he campaigned for the 2019 Lok Sabha elections.

Notable Works as MLA During his tenure as a Member of the Legislative Assembly of Delhi, Devinder Kumar Sehrawat undertook several significant infrastructure and development projects in the region.

Some of his notable achievements include: These initiatives significantly improved the quality of life for the residents of the region and showcased Sehrawat's commitment to public service.