Disha fell/jumped/pushed of her balcony on June 8th night and died in 9th June..
Rhea left SSR on 8th Night as she was depressed and SSR's Sister Mitu came and stayed with him from 9th June to 13 th june. He died after the sister left ....
"Rhea left Sushant on June 8 and left because she was also depressed, her mental condition was also not normal."
Sushant's sister, who came to Sushant's place after Rhea left, left the house on June 13.
"Sushant's sister left on June 13 because her daughter was alone and she had her exams, which Sushant's sister said in her statement," said the Mumbai Police Commissioner (Source One India)
So this sister knows what really happened from 9th to 13th June and why he took his life soon after she left..
This sister also came back within ten minutes of being informed of SSR Hanging