Current affairs — 2026-08-13

Daily current affairs for 2026-08-13. Read each story carefully and verify important figures on official links before mocks. Today's focus lines: Indian solar mission's new findings throw light on enduring Sun mysteries; Air India to test all pilots for banned substances; Indian actor's video with endangered gibbon sparks investigation; Tata Group Chairman N Chandrasekaran to step down in February; How a 97-year-old escaped deadly Indian floods on a banana log raft; Indian labourers dream of striking it rich after '$52,400' diamond find.