Banda Singh Bahadur (born Lachman Dev, also known as Bairagi Madho Das (27 October 1670 – 9 June 1716) was a Sikh military commander who avenged the execution of two younger sons of Guru Gobind Singh and destroyed the foundation of Mughal empire in Northern India. Banda Singh Bahadur Monument at Chappar Chiri Wazir Khan of Sirhind Sirhind the town located in Punjab India, which was the unfortunate witness to the the martyrdom of the two younger sons of Guru Gobind Singh in 1704. Wazir Khan, its Subadar (Governor) at the time had vowed to finish off the Sikhs, 'root and branch', after they had left Anandpur Sahib. Guru Gobind Singh with sons at Chamkaur Fortess Though the Sikhs had been given a promise of safe passage to Punjab, a promise written in the flyleaf of their holy book, the Qur'an which included the seal of the Emperor Aurangzeb. The Mughals supported by Hindu hill chieftains betrayed the promise and attacked the Sikhs from behind. Despite this, the ...