Bismi, A, and K Devanadhen. “A Comparative Study on Risk and Return Analysis of Sectoral Indices in the National Stock Exchange of India”. Sakha: Multidisciplinary Journal of Science, Art & Technology 1, no. 4 (December 30, 2025): 67–77. Accessed June 21, 2026. https://sakha.co.in/Update/journals/index.php/mjsat/article/view/24.