[6][7][8] After defeating Mughals in the Battle of Sirhind (1764),[9] Sikhs plundered jagir of Najib-ud-daula.

[5] After this attack, the Sikhs reached the outskirts of Delhi in 1766 after fighting Najib-ud-duala in Sonepat and Panipat, collecting large amounts of booty in the process.

[4] In December 1767, the Sikhs again fought and defeated Najib-ud-duala in Karnal but missed an opportunity to become emperor makers of Delhi due to disagreements amongst their leaders.

Details of Sikh invasion have been noted by French Missionary, Father Peere.

[5] One 15 July 1775, the Sikhs attacked and set fire to Paharganj and Jaisinghpur.

[5] On 1 October 1778, which was Dushera day the Sikh attacked Delhi and all the way to Rakabganj.

The Sikhs managed to intercept letters of Najaf Khan, thus an alarm was raised in Delhi.

Najaf Khan marched with many generals against the Sikh as they continued to conquer the area around Delhi.

[13] On the 20th, the Sikh crossed the Yamuna back into their own territory and started selling looted property and goods.

A skirmish occurred when Mir Mansu attacked the Sikh, eventually dying in battle.

As September began and the rainy season over the Sikh raided and looted everything from Delhi to Hardwar.

[15][16][20][18] Mughal slab from Delhi was roped with horse and brought to Amritsar in Punjab[25][26] In December 1784, the Sikh raided and plundered the neighbourhoods of Delhi on instigation of Najaf Quli Khan.

[27] In January 1786, the Sikh and Gujars raided the territory from Panipat to Delhi.

The Maratha General Madho Rao Phalke marched against the Sikh and fought them.

In the fight, many men drowned in the river with a large number being killed or wounded.

[5] The Sikh with Ghaulam Qadir attacked the Red Fort on October 30, 1787.

[30] On the night of March 12, 1788, the Sikhs with Najaf Quli Khan attacked the tent of Mughal Emperor Shah Alam II and slaughtered his men.