Explanation:

 The Battle of Chamkaur, also known as Battle of Chamkaur Sahib, was fought between the Khalsa led by Guru Gobind Singh and the Mughal forces led by Wazir Khan. Guru Gobind Singh makes a reference to this battle in his victory letter Zafarnama.
The Battle of Kup was fought on 5 February 1762 between the Afghan forces of Ahmad Shah Durrani and the Sikhs.In a fresh Afghan invasion of the upper Punjab, Ahmad Shah Durrani reached Malerkotla, west of Sirhind, then attacked a 50,000- strong Sikh army just to the north at Kup. In one of their worst defeats—known as Ghallaghurga (Bloody Carnage)—the Sikhs lost perhaps 20,000 killed in a decisive battle of movement. The Afghan forces of Ahmad Shah Durrani came out victorious.
Battle of Khanuwan was fought between Sikhs and Yahya khan in 1746