Bollywood Actor Nawazuddin Siddiqui's sister, Syama Tamshi Siddiqui has passed away on Saturday after a long battle with dreadful disease cancer. She was just 26. She was diagnosed with breast cancer at the age of 18 and since then she was battling the disease for eight years. According to the reports, Syama's actor brother was shooting in the US for No Land's Man during the time of her death. The funeral of Syama Tamshi Siddiqui will take place at the actor's ancestral village in Uttar Pradesh.