Beeltah attended the Baichoo Madhoo Government school and completed her bachelor's degree in Human Resource Management from the University of Mauritius.
She attended the Baichoo Madhoo Government school for her primary education then joined the College Bon et Perpetuel Secours of Beau-Bassin for her secondary studies.
[5] Diya got a BSC in Human Resource Management from the University of Mauritius (UOM) in 2011, she announced her intention to pursue her master's degree in the same field and aspires to become a lecturer.
[9] Beeltah participated in Miss Universe 2013 held on 9 November 2013 at the Crocus City Hall, Krasnogorsk, a suburb of Moscow, Russia as the official entry from Mauritius.
[10] Beeltah is passionate about social work and in her own words, "Solving the social issues that exist in the world today is not going to be easy, but I still firmly believe that addressing poverty, providing the right education and instilling proper values would be a good start.”[11] After reigning the title Miss Mauritius 2012, she became the ambassador and the national voice for road safety by the Mauritius Police Department and Ministry of Public Infrastructure, National Development Unit, Land Transport and Shipping National Development Unit.