Guru Gobind Singh took the martyrdom of his innocent younger sons Baba Zorawar Singh and Baba Fateh Singh as well as his revered mother Mata Gujri ji at Sirhind in 1704 at the behest of the then Mughal Governor Wazir khan with utmost seriousness and concern. This was the ultimate of Mughal tyranny. After finishing his task at Talwandi Sabo(now in District Bathinda), he headed towards south India in pursuit of Mughal Emperor Aurangzeb to whom he wanted to explain his life’s mission. However, Aurangzeb passed away in 1707, while fighting in the South. Meanwhile Guru Gobind Singh camped at Nanded, which is these days is popularly known as Hazoor Sahib and is situated in Maharashtra.
From there in 1708, he dispatched Madho Dass Bairagi, now popularly known as Banda Singh Bahadur, to Punjab. He was assigned the mission of putting an end to the Mughal tyranny in Punjab. He was handed a ‘ Hukamnama’ by Guru Gobind Singh, desiring his devotees to follow him.
After Baba Banda Singh Bahadur crossed Delhi, Guru Sahib's ‘ Malwai and ‘ Mujhail’ devotees joined his force in thousands. The force which was so gathered over ran Sonepat, Kaithal, Samana, Shahbad, Kapuri and Chhat Banur. It finallly camped at ChapparChiri, 12 miles from Sirhind. On 12 th of May 1710, Wazir Khan marched to ChapparChiri and was decisively defeated by the Sikhs.
On 14 May 1710, the victorious Sikh force under the leadership of Baba Banda Singh Bahadur took over the control of Sirhind. Hence, this day is known as ‘Fateh Diwas’.