Basumatary, P. ., D. S. N. . Sharma, and D. B. . Hazarika. “Impact of Covid19 Lockdown on NSE India Indexes”. The Journal of Contemporary Issues in Business and Government, vol. 27, no. 1, Feb. 2021, pp. 4310-23, https://cibgp.com/au/index.php/1323-6903/article/view/861.