#DidYouKnow Who was Bhai Sati Das ? Bhai Sati Das (died 1675) along with his elder brother Bhai Mati Das is one of the greatest martyrs in Sikh history. Bhai Sati Das and his elder brother Bhai Mati Das were followers of ninth Sikh Guru, Guru Tegh Bahadur. Bhai Sati Das, Bhai Mati Das and Bhai Dyal Das were all executed at Kotwali (police-station) near the Sunehri Masjid in the Chandni Chowk area of Old Delhi, under the express orders of Emperor Aurangzeb. Share and Spread the word !