Short answers, pulled from the story.
Ustad Ali Quli was an Ottoman artillery commander sent to Babur in 1513 to counter the alliance between Central Asian rulers and the Safavids. He introduced revolutionary artillery tactics that transformed the military landscape of the subcontinent and defined the next three centuries of Indian history.
The Ottoman Sultan Selim I sent Ustad Ali Quli and his colleague Mustafa Rumi to Babur in 1513. This diplomatic maneuver occurred after years of hostility and was driven by Selim's strategic anxiety regarding potential alliances with the Safavids.
Ustad Ali Quli commanded cannon batteries that were positioned strategically to disrupt the enemy charges of Ibrahim Lodi during the First Battle of Panipat. His artillery created chaos among the opposing ranks and proved that technology could overcome numerical superiority to establish the Mughal Empire in India.
Ustad Ali Quli deployed cannon batteries to break the Rajput charges led by Rana Sanga during the Battle of Khanwa. This use of cannons in an open field battle demonstrated the adaptability of Ottoman military tactics and cemented the reputation of Ustad Ali Quli as a master of artillery.
The Ottoman Sultan Selim I supported Babur in 1513 due to strategic anxiety about a potential alliance between Central Asian rulers and the Safavids. This shift from enmity to cooperation resulted in the dispatch of Ustad Ali Quli and Mustafa Rumi to assist Babur in his conquests.