As a young boy, he was always inspired by the stories of social workers, patriots and always wanted to contribute to national development.
He later continued to serve the nation and was involved in Karsewak activity for Ram Mandir and Joined Bajrang Dal as Jilha - Pramukh in the Year 1989.
Exploring and working in the interest of people, In the year 2016 he got elected as Mayor for Bhandara Municipal Council and further continued to contest Member of Parliament election from Bhandara – Gondia constituency in the year of 2019.
This Bhandara-Gondia Constituency was considered one of the most difficult seats to win for BJP However, he won the elections by 2 Lakhs Votes.
On 25 March 2024, Bharatiya Janata Party (BJP) Offered Ticket from Bhandara-Gondia Lok Sabha Seat to Sunil Mendhe for the 2nd Consecutive Time.