The Arvalli District declared on January 26, 2013 and formed on August 15, 2013. Modasa is the headquarter of new Aravalli District, carved out from tribal-ruled areas of Sabarkantha.
The District Court, Arvalli @ Modasa started functioning on July, 2016, initially, The District Court was working at old Court building at sabalpur. In March, 2019 The District Court, Arvalli @ Modasa shifted to new Court Building at Shamlaji Highway opp. district collector office, Modasa.