You can download your ELSS(80C) and Capital Gains Statements from the Reports section on Kuvera
1 ELSS Invesments report : Access all your ELSS investments report by Financial Year from here - https://app.kuvera.in/reports/elss-report
2 Capital Gains Report - Access all your Capital Gains reports by Financial Year from here - https://app.kuvera.in/reports/capital-gains